DIX 8.6

Here is the dix 8.6 package ( 15MB.zip file). This package contains all sources, objects and executables for all platforms. Since this file is getting bigger we also supply platform specific kits. These kits contain all sources, and the objects and executable for the specific platform

Here is the VAX dix 8.6 package (4.9MB.zip file).

Here is the Alpha dix 8.6 package (7.2MB.zip file).

Here is the IA64 dix 8.6 package (7.6MB.zip file).

The help file of DIX is now available here DIX_HELP

I am very interested in your ideas about DIX. For example what you would like to be included in a next version, so please send your questions and/or feedback to dixdev@oooovms.dyndns.org.

Use it at your own risk, because we cannot take responsibility for crashes, dumps or even worse: loosing data.


    V0860 19-jul-2016
1. Updated f$parse to allow multiple (even negative) fields
2. Updated f$search. It did not work correctly if no wildcards present
3. Changed the edit command. It uses qualifiers now to select what to edit
4. Changed the close command /log qualifier. If you do not specify /log DIX
    will not report a new current file (or no file)
5. Added the checksum command to compute md5/sha1/sha2 checksums
6. Updated the f$checksum lex function to include the md5/sha* checksums
7. a/b and a-b for a and b decimal type did not work correct. This has been solved
8. Added the /dispose= qualifier for the close command.
9. Added memory files. Output can be saved in memory e.g. dir/out=mem:memfile.txt
10. Printing an empty line, printed nothing. Now it prints an empty line
11. Allow a line with open " in dcl mode to be more dcl compatible
12. Added the read/noecho 
V0850 1-mar-2016
1. Fixed dir/sort=date. It did not work
2. Removed the nofileopen from  dix/int without files
3. Added the /nosort to directory/fast
4. Fixed a bug in f$add et al (decimal funcs). They did not return the correct result
5. Support for tan, atan, acos,asin (trigonometric functions) for complex input
6. support for unary negate of a complex number e.g. : DIX>say -(1,0) 
7. The f$cvtime did not accept deltatime values. This has been solved.
8. Split the dix_plot*.for in more files to make compilation easier.
9. Enhanced real overflow on ia64. It will now jump to a larger real mode (if present)
10. Added the set disp sep=none to allow empty separation characters
11. Fixed /screen output if text is longer than screen width.
12. Added /sort=case_blind to the directory.
13. Fixed a bug in table_get_value. This resulted in f.e. wrong sorting in directory
14. Added a readonly flag for symbols
15. Added the char(alias or f$char) and the ichar(alias for f$ichar) functions
16. Added the // (string append) operator as alias for +
17. Updated the search status after a multifile search (dix/file *.for something/stat
     the status will now be printed at the end instead of after every file.
18. Added support for the symb[offs,size]=val and := val
19. In the evaluate (say) the tab and beep are no longer changed to .
20. Added font selection to the plot mode.
21. Added multiple columns to the t4 plot mode
22. Support for input for .zip files for t4 files (you do need an unzip tool)
23. Added plot output in .pdf format
24. Complete rewrite of the dix/decw part to make it more in line with dix/plot
25. dir/sort=size should have sorted on used size, it did not, but it does now
26. Added the dir/sel=flag='item'. This allows you to select files on file attributes
      f.e. dir/sel=flag=nobackup  
27. Added the f$crc and the f$crc_table functions
28. Add open file/memory to read file in memory table. It can be used as a normal file (readonly)
29. Added the cshift function (circular shift)
30. Added the dot_product function  for tables
v0840 1-jun-2014
1. Fixed f$control. It could return an invalid elapsed time.
2. Added the >> (shiftr), << (shiftl), and >% (shift right arithmetic) operator
3. Fixed a problem in dcl mode: continuation lines did not work correctly 
4. Added the /append qualier to the open statement
5. Change argument parsing on call/@ in DCL mode. Arguments are now strings or integers
6. Fixed a bug using gosubs in subroutines, DIX would crash.
7. Added a procedure cvt_help_to_html in the example scripts part
8. Added the option to run command procedures stored in dix_des*.tlb files
9. Structures can now be loaded from .mlb files too
10. fix the display for type/col=..../full. The line would be preceeded by a lot of *
11. Fixed the make file. It had a reference to a local logical PROGRAMS_TOP
12. Added support for parameters/value/type for each command level
13. Changed the syntax for search command in dcl_compat mode to make it dcl compatible
14. Added the option to evaluate expressions without the eval command like dix> 10*10
     See the help about set parse_expression
15. Added the convert commmand, just like dcl convert
16. Added the possibility for valuenames to have aliases.
17. Allow the F$SEARCH to look in libraries also via the libnam(mod) or mod@lib
18. DIX now prints offset/fieldname to file (pf1-p) in smg mode, not only fieldvalues
19. Prevent file tags to be one of the process permanent files (sys$output, error, input)
20. Enhance the .lts., .gts. etc functions in dcl mode. They now work as in DCL.
21. Allow evaluation to build up a line before printing. See the help about 
      /[no]TERMINATE in the evaluate  command
22. Added the COMPLEX datatype (*8 (2 real*4) and *16 (2 real*8))
23. Added the EXP function
24. FIxed a bug in statement "if logexp then goto label". DIX would crash.
25. Fixed a bug in DCL mode with the .lts.,.gts. etc . The evaluation was not correct
26. Added a new special symbol $DIX_VERSION. You can now check in (dcl-)scripts
    if you are running under DIX by checking the value of F$TYPE($DIX_VERSION)
27. Added a LIBRARY command in DIX (/list and /extract only). See the help
28. Added 2 example scripts that run under DCL as well as under DIX
     EXTRACT_MLB      : Extract a module from starlet.mlb and convert to 
                           fortran/dix definition file
     CVT_HELP_TO_HTML : COnvert a help file/library to a number of html files 
29. Fixed a bug in date conversion to binary. If the date is in DCL format
     dd-mmm-yyyy:hh:mm , DIX would see the hh as minutes instead of hours.
30. Fixed a bug in t4 plotting. Sometimes DIX would not recognize a date field.
31. Added set term/auto to use auto command completion (see the help about set term/auto)
32. fixed a problem with dix/comm dir file.ext;* . Dix would see the ; as pipe character
v0830 1-oct-2013
1. Enhanced F$REPLACE to support wildcards for the search string
2. Enhanced the plot function to change the vertical size of a data window
3. Allow blockmode io to express recordlength in bytes. See help file
4. Show prompt would display all kind of error messages, this has been solved.
5. The f$split did not work for csv type data, only the first char of a
     value was selected.
6. the f$read did not work for unitrecord devices (like sys$input). 
    This has been solved 
7. Added the y-offset value for data plotting
8. Added a second y-axis for data plotting.
9. Added the average and the sum function
10. Added an enhanced command line input mode (multi line edit , a
    long standing wish for DCL) : set term/extend
11. Enhanced the /limit=value=endnr to /limit=value=(begnr,endnr).
12. Added the ILEN function
13. Fixed the dispay of show description/expand. The display was garbled.
14. Added a PAD NATURAL|PACKED statement in the descriptions for alignment
15. Added a new symbol-type. A description type, like in file buffers (with descriptions)
    See the help in "dix/help interact symbols description" about its features.
16. Fixed a bug when trying to change a record while changing a key value.
    DIX would try to do a delete/write, but failed (without modifying),
16. Added a new symbol-type: The structure. See the help in
    "dix/help interact symbols structured" for its features
17. Added a F$RAD50 function to convert between text and rad50 values
18. Added a RAD50 datatype (integer*2 containing 3 chars)
19. Added the F$FLOAT function to convert reals to text in a fixed format
20. Added the radix converions as 'dddd'r12, convert using radix 12
21. Added a description for sys$update:vms$system_images.idx
22. Restored the working of the ^(not) operator. It did not work at all.
23. Added an option in the search command to search multiple files.
24. The search command can now define the SEARCH$* symbols after the search
25. Update the date*4 and udate to disallow illegal input (seconds, ticks)
26. Fixed a bug for %xdddddddd constants with 9 digits, and %O, and %b
27. Allow modules in libraries to be used as filenames like module@library or
28. Directory has been enhanced with a /fast qualifier to search via indexf.sys
      and directory of modules in libraries
29. Directory now has a /SYMBOL qualifier to store the results of directory 
      command in symbols (DIRECTORY$...)
30. Added a /select=aces=ident=(id1[,id2...) to the directory[/fast] command 
     to select files that have aces that use the ID1[,ID2..]
31. Added a third parameter to f$message to search messages in files
32. Added a directory selection argument to select files that contain acls
     for a (combination of) identifiers.
33. Added a directory selection on LBN's. Select files that are mapped to
     the specified LBN's on disk.
v0820 30-oct-2012
1. Enhanced plot-display when using common x-axis and zoom.
2. DIX would not process the /TYPE, /STACKED qualifier for the csv and t4 plot.
3. Enhanced the autodetection for csv files for separator, x-field , header
4. F$TYPE(NOSYMB) would return an error. Changed the behaviour to return
    an empty string for a notexisting symbol( to be more DCL compatible)
5. Added the SHIFT(v,amount) function, amount>0 is left shift, else right
6. Restored the recall command, it did not work anymore, and added the
    /input and /output option
7. Plot: Make sure that the data point is always displayed during scrolling of
    zoomed-in data.
8. Plot: Fixed the setting of min-x/max-x in case of time-only
9. Added the F$GETUAI function
10. Added the set proc/priv=..., set proc/priority command
11. Added the show proc/priv, show proc/prio command
12. Fixed a conversion problem with Unsigned integers
13. Fixed a problem using fastio and keyed access. DIX would not read the
     record correctly
14. Fixed a problem in views, when reaching the EOF, DIX would switch 
         to description mode.
15. The directory command now supports a list of files (like the DCL directory)
16. Added the CD command (change directory)
17. Added the /versions qualifier to the directory command
17. Added the /exclude qualifier to the directory command
18. Fixed a problem with fieldnames that are only one character long. 
      DIX would not find them.
19. Merged the demo definitions in the normale dix_def.tlb, making the 
      dix_demo.tlb obsolete
20. Added the DEMO command in interactive mode
21. Added the /MERGE, /SINCE and /BEFORE qualifier for the plot/t4 command
22. Fixed a problem with t4 files that had more than 2 columns average lines.
23. Enhanced the plot of completely zero data. The dataline will now be 
      plotted in the middle.
24. Added the possibility to add all type of strings together, not only char type
25. Added the #INSERT description line to add fields computed from other fields
26. Added the INSERT command for views to add fields computed from other fields
27. Allow plot/fields=-fieldmask to deselect fields.
28. Allow plot/fields=@filename to specify the fieldnames/deselects from a file.
29. Added support for the *string datatypes in expressions. They will be 
       treated as char type. 
30. Allow integer expression in IF statement in dcl compat mode
31. Enhanced string input in plot mode to allow input of long string 
         (multiple lines)
32. Added the PLOT/PIE command
33. Added support for closing windows with the alt-f4 key, without crashing
    the program.
34. Performance for displaying "all data" in decwindow mode was poor. 
         This has been solved
35. Added the F$DEVICE function
36. Added the F$MORSE function (lots of fun, it's a pity the system does not
          support sound)
37. Added the F$ to the reserved names for symbols
38. Enhanced the btest, ibset, ibclr function to accept a table of bits to 
           be set/clear/tested
39. Shifted some datastructures to p2 space (on alpha/ia64). This feature
     is not (yet) default, it can be enabled via the DIX_ENABLE_P2 symbol (Y)
     See the help about SETUP.
40. Added the F$REPLACE function to replace strings in text
41. Added general output to (DCL_)symbol via /output=#symbolname
42. Added documentation about startup symbols, see dix/help SETUP
43. Added a show process/continuous command
V0810 22-mar-2012
1. Dir/date gave 2 error messages "no such token ...", this has been solved
2. SOme small enhancements in the display of correlation plots
3. Added the expired,modified,created,backup tokens for the /since and /before
    qualifiers of the directory command
4. Fixed problem like "DIX>follow V(1).name". v(1).name should be a single 
    token, but DIX saw it as 2, so you got a message like "dix_e_climanpar".
     This has been solved
5. Better syntax check on range/block (low:high) and not (low,high)
6. Fixed a buckcheck on raw display.
7. Added descriptions for acmsudf and acmsddf files
8. Added the ASHIFT shift function (arithmetic shift (right))
9. Added macro's in description files.
10. Fixed problem in plot mode displaying more than 1 data stream (show data)
    DIX would complain about "link too long"
11. Added a [stacked] header when plotting in stacked mode.
12. Added plotting of csv files.
13. Added support for plotting deltatime type values
14. Better support for TAB's in strings
15. Added the /format qualifier to the evaluate command.
16. Added the dix/plot/csv command : plot csv files.
17. Added the /offset=time qualifier for the plot/t4 command to allow
    comparisons of t4 files coming from systems with different localtimes.
18. A lot of (smaller) enhancements in the plot [/t4] module. 
19. Added a3 size for postscript plotting.
V0800 1-oct-2011
1. In the grep command the qualifier /case_sens worked the wrong way around.
2. Fixed some case sensitivity issues.
3. Fixed an accvio in parsing part.
4. Added the faculty and combination functions (fac(n) and comb(n,m) )
5. Updated the directory command to get info from locked files.
6. Display extents and acls for opened files and for the directory command
7. Added the NB_ACL,ACLS,HEADERS,EXTENTS,EXTLIST selectors to the F$FILE
8. Fixed an accvio in raw decwindows mode.
9. Fixed a bug in scrolling vfc data in decwindows mode
10. Fixed a bug in displaying vfc data with no fieldnames. It would not display
    correctly in all cases.
11. In smg mode, dix would not display the last character of the longest fieldname.
12. Fixed a bug in input of more than 1 continuation lines.
13. Added descriptions for NETPROXY and NET$PROXY files
14. Fixed a bug for the DUMP command. If the user had previously executed a search
     DIX would remember the search even after a file close/open
15. Added to option to have more than 1 search_pattern, and to attach a search_parttern
    to a file, so DIX will only display records matching this searchpatterns
16. Added the option to do a backward search
17. Updated the prev key command to work for relative files
18. Added the PLOT command to make decwindow/postscript plots. This also 
     allows you to plot t4 files (like TLVIZ, but now on VMS).
19. Added the option to use the DECWINDOW help of the FSHELP package. 
    FSHELP has been supported a long time, but was never documented.
20. Fixed a bug in using [large] arrays in expressions. Dix would crash.
21. Added an FFT function.
22. Fixed a problem in string (wildcard-)matching: AA would match A. 
23. Parsing went wrong for negated values. SO F$DCL_GET_VALUE would not
    return the  NO in front of the keyword.
24. Fixed a problem using int*8 keys in read/eq=nn
25. Fixed a spurious message after a for statement with a zero repeat count
26. Fixed a problem using tables in if statements. Dix would complain about
        "result of xyz) not integer:
27. Added a /NICE option to the directory command to translate ods-5 filenames.
      also the NICE token is added to the f$parse function
28. Fixed spurious messages after for-loops with 0 execution-count. 
29. Fixed problem "@proc 2 -2" would be seen to have one argument 0 (2-2)
    It should be 2 (2 and -2). This has been solved.
30. Added an option to skip trailing zeros on reals SET REAL [NO]SKIP
V0730 25-oct-2010
1. Fixed dix/verify. It complained about 'shared' qualifier
2. No longer us the $default description for dix/info
3. Fixed overflow in keynames of dix/info
4. Added the /format qualifier for the examine and deposit command
5. Changed the dir/sort=name to dir/sort=file, and also the dir/wi=name to
   dir/wi=file to be dcl compatible
6. Speeded up expansion of large descriptions(some 10000 entries)
7. Removed some newer lib$ routines to make dix runnable on old(er) vms versions
8. Added the 16 parameters option in dcl_compat mode for vms8.4 (and dcl_ctlflag=8)
9. Fixed a problem on fieldselection with descriptions e.g. file\descr\field.
10. Fixed a problem with eval #integer"0", DIX would complain about the #.
11. Fixed a problem with ;$type sys$input;line1;line2 : line1/line2 would not be printed
12. Added the WRAP option to the display format. Default is WRAP.
13. In some cases an error message would not be printed, this has been solved.
14. Fixed the F$FILE("KVALUE") for not string keys to return integer types
15. Fixed a problem with nested switches in description file.
16. Added the /fall_though for a case statement.
18. Renamed the ACL datatype to ACE. THe old name will still accepted.
19. Fixed a problem with CUT to a dix/dcl symbol. It did not work at all.
20. Added instruction names to break/trace points in the debugger
21. Allow the keys in dix_des.tlb to have multiple name separated by |
     This allows the same description to be used for multiple file names.
22. Added a description for save_set files. Name is ".BCK|.SAV" See number 21.
23. Fixed a bug in filesearch in screen/decwindow mode. Dix crashed.
24. The := assignment broke during the last version. This has been fixed.
25. Support for a[d,d]=value in dcl compat mode for integers/chars
26. Allow offsets to be displayed in octal and binary.
27. Added the "set display bit_offset" to force display offsets with bit offsets.
28. Fixed a bug on dir/sel=size=min=nn and dir/sel=vers=max. 
29. Fixed a bug on using startup files in interactive mode.
30. Fixed a bug in the assign command
31. Added the VERB command.
32. Switched from dcl parsing to own parsing, using CLD table format.
33. Added the case_sensitive mode to DIX.
34. Fixed a problem with if/endif, if the expression in the IF failed,
     DIX would complain about the ENDIF, this has been solved.
35. Changed the while to a have default value of TRUE
36. Added the direc/sel=header,exten and dire/ext=full qualifiers
    to selec on and display extents/headers. Also added the /sel=file=field
    like the normal directory command has.
37. Updated the /display qualifier to allow changing the separation character
      (between offsets/fieldnames/value) from a default | to any other.
38. Added support for operators and,not,ge,le... etc besides the dix format
39. Added the Askrecord menu item in decwindows mode. It was displaced, but
    now it's there again 
40. Added the support for the .gt., .lt.,.gts. etc operators in DCL mode
41. Fixed a bug displaying a : in the first column. DIX would skip the :
42. In simple expressions like ival=ival+10, DIX would not detect overflow
     from 32 to 64 bits. This has been solved
43. Added options to highlight with underline,bold,reverse,blink in various
     commands (grep, set output, examine)
44. Fixed a heavy alignment fault problem
45. Added the F$BASE64 function
46. Moved the sources to the [.source] subdirectory
47. Added the trig functions cos,sin,tan, etc
48. Added the LOG and LOG10 functions
49. Fixed a problem using non-native real formats
V0720 19-dec-2009
1. Allow for loop commands (for,while,..) in interactive mode
2. Changed the scope of symbols, see the help about "interac symbols"
3. Added the indexed variables, see the help about "intera symbols index"
4. Added the /MAX_BYTES qualifier to limit the recordsize
5. Added the f$identifier,f$integer,f$string,F$user,f$setprv,f$privilege functions
6. Fixed a bug in F$SEARCH. It crashed
7. Added support for the dcl date (mark the: after the year) dd-mmm-yyyy:hour...
8. Added the f$context,f$pid functions
9. Added the ^ (not) operator
10. Added the .and. .not. .or. in dcl_compat mode
11. Fixed a problem incrementing integer*2 from -1 to 0.
12. Added a description for quota.sys
13. Added the all mode to f$search: If set, it now returns a table of filenames
14. Added user written functions.
15. Allow expressions after the EXIT statement. Upto now only integers 
      numbers were allowed
16. Fixed a problem in the switch/endswitch command. It did not work
17. Added the UPCASE in f$edit besides the UPPERCASE
18. Added the /verify to the @ command
19. Follow command did not work in command files. This has been solved
20. Added the "read sys$input/sys$command"
21. Allowed the prefix statement to be an expression
22. Fixed a bug for descriptions with large repeat counts. The name of the
     field got scrambled.
23. Added the define/deassign/show logical commands
24. Added a description for monitor recording files
25. Fieldname value conversion in search did not use the "fieldnames". This is fixed.
26. Added the compile command, to generate "compiled" scripts.
27. Added the delete (file) command.
28. Had to change the arguments in f$locate, from source,substring to
      substring,source to make the function dcl compatible (sorry about this)
29. Changed the name of the F$LOCASE to F$LOWCASE to differentiate better with
30. Changed the create command to use qualifiers instead of parameters to
      make the create command dcl compatible
31. Changed the evaluation order to check for symbols first
32. Added the TIME command. It outputs a ^T status line after the command.
V0710 14-apr-2009 
1. Added the comment statement in descriptions
2. Fixed a bug in the range statement in views
3. Allowed override of link info in follow statements
4. A new 'special' symbol %RECID : giving the current key/recnr
5. add a sort option in the directory command
5. Added the f$READ and F$SORT fuctions
6. Fixed a problem when opening locked files. DIX should switch to fastio
    (if the file is opened readonly), but this did not work correctly.
7. Added the /output/page/screen to the evaluate (say) command.
8. Added the option /type=datatype[*size] the the exa/raw offset command
    to force translation by a specific datatype (f.e. ACL?)
9. Added the [u]byte,[u]word,[u]longword,[u]quadword datatypes as aliases for
10. Fixed a bug in declare : declare/int a(10,10),b would set b to dim(10,10)
    instead of a scalar.
11. Fixed a bug in expressions like 5*"X" and "ABCABC"/"C"
12. Updated the F$SPLIT to allow for table input
13. Add the move command to interactive mode
14. Added the F$HTONL and F$REVERSE functions
15. Added a parameter to dump to specify another file
16. Assigning to a field in other file (file\fieldname) did not work.
     This is corrected
16. Sometimes an assign to a non-valid fieldname would not be signalled.
     This is corrected.
17. Allow labels starting with a digit (like DCL)
18. Added the F$CONVERT function 
19. Added the [$]DECK/[$]EOD statements to allow data in dix-procedures
     this data can be read via the SYS$INPUT file (like dcl)
20. Enhanced F$ENUM to display parameters/values/symbols
21. Fixed a bug in LOAD. LOAD LIBRARY.TLB/MOD=xyz did not work while
                         LOAD LIBRARY/MOD=xyz did. This is solved.
     Now the LIBRARY is default SYS$SHARE:STARLET.MLB
22. Enhanced the IF to:
      a. allow for IF logexpr THEN command (one if-line command)
         this is the DCL style IF
      b. Allow the THEN to be on the next line
      c. Allow for a statement after the THEN
      d. Allow for a statement after the ELSE
     this will make DIX understand DCL scripts better
23. Added the functions F$DIRECTORY and F$SETPRV
24. Added the set/show evaluation_order 
25. There was problem with compressed mode in *string types. This has been
26. Added the F$GETJPI, and F$GETQUI function
27. Added the F$CSID and updated the F$GETSYI to use the nodename or cluster_id
28. Fixed a bug in F$INSV. It always returned a logical value of true instead of the value.
29. Added enable/disable command for flags as an alias to set .. ena/disa
30. added a lot of example scripts to the help file
31. Fixed a bug in deposit, it would always convert text to uppercase.
32. Added subfields for a lot of fields (see the help about subfields)
33. Added the load/include statement for description files
34. Fixed bug in set output_filter, it just did not work.
35. Added the /radix=nn (nn=2..36) as more general /hex/oct..
36. Enhanced the editting in decwindows mode
37. Added a debug mode for scripts. @script/debug will enter a debugger
      See the help about "interactive_commands debugger"
38. Added the $DOINDEX special symbol for the index of the DO nn "command"
39. Added the "set/show prefix","show process" and the "show prompt" command
40. Added the $ARCHITECTURE special symbol (VAX,ALPHA,IA64)
41. Added the F$HASH_PASSWORD function
42. Added the f$cvtime lexical function
43. Fixed a bug in fastio sequential files on VAX. Dix would not set EOF 
44. Added the f$match_cond function and the load/mess to load dix message definitions
45. Changed key highlighting for output to files. The default is now off.
V0700 16-jun-2008
1. Fixed a definition error in bucketheaders/dataheaders in fastio. Some
   fields were defined bytesize while they were wordsize.
2. Added the option to open files by fileid. See the help about
3. Replaced the THISFIELD symbol by the more general $FIELD symbol
   in link structures in description records
4. Added f$left,f$right,f$fis,f$fnis,f$translate lexical functions
5. There was a small bug in repositioning in screen mode after redisplay.
6. Integer*1 (in fieldmode) was disallowed, this has been fixed
7. Added the /range qualifier to the POINTER statement, to disallow following
   the link if no valid pointer is present (see the help record_f field pointer)
8. Added a description for the accountng file (its fun)
9. Fixed a problem using block mode on indexed files
10. Fixed problems depositing in raw mode. Dix would not accept "deposit offset=value"
11. Allowed decriptions for block mode access (see also 12).
12. Added default descriptions $PROLOGUE,$KEY,$AREA,$BUCKET to allow easier
    patching in indexed files in block mode (be very careful)
13. Updated the WRITE command to allow output to an opened file.
    This prevents a lot of file open/closes when copying a lot of records
14. If a logical operator & or | and both parts are integer, the result is integer
    Previous versions of DIX returned a logical value
15. Added the option for the open to create the file with an optional FDL file
    See the help about open (interactive open /fdl)    
16. Enhanced the dimension of tables to allow for negative increment 
    You can now specify f.e. table(10:1:-1) = table(10)..table(1)
17. Added datatype bytearray. THis allows the display of a number of bytes
    in one line
18. Added the BLOCK/ENDBLOCK structure. This is the same as a RANG/ENDRANGE
    but after reaching the ENDBLOCK, the offset is not changed
19. Added new datatypes [bkt]rfa. The bktrfa is the rfa as stored in the
    bucket of indexed files and has a length of 4, 5 or 6 bytes.
    the rfa is the normal rfa type structure
20. Added support to reference parts of a field via the fieldname{bitname}
    See the help record_f field subfield
21. Support for parameters has been extended. Previous versions of DIX only
    allowed integer parameters, this version allows all supported types.
    If the expression cannot be evaluated during the read of the description,
    (if the expression depends on field-values), DIX will evaluate the
    expression at expand time (when a record has been read).
23. Fixed a bug in fastio. If the file is fixed and key and data compression are off
    the data bucket does not contain a recordlength (it it the file.maxrecl).
    The  previous version of DIX assumed there was a length word.
24. Added a verify option for indexed files. This will check indexed files for 
    corrupt buckets. See the help about dix/verify
25. Added a help text how to repair corrupt indexed files. See the help in
    dix/help mode verify
26. Added the GREP interactive command
27. Added the show file/fdl. This will output an FDL file te be used with the
    create file/fdl or the open/crea/fdl
28. Allow multiple commands on a line separated by ; in interactive mode
    See the help about "interactive_commands"
29. Add a do command. THis allows you to repeat a command a number of times
    f.e.  do 10 exam ; next rec
30. Modified the analyze qualifier of info to be on the top level
    See the help about "dix mode analyze "
31. Added dimensions to symbols, You can declare a symbol to be a table 
    (of max 3 dimensions) of any supported symbol type.
    You can assing multiple values like declare a(10,10); a(1:3,*) = 10
    See the help interactive symbols
32. Added the auto save mode. This allows you to exit DIX, and restart
    it with the same settings (files/records, and recall buffer)
    See the help about dix/restore
33. Fixed a problem with date conversion. DIX would complain while
    it a was a valid date. THis has been solved.
34. Added the F$PARSE,F$SYMBOL and the F$SEARCH function.
35. Allowed the f$TYPE, F$FTYPE argument to be specified without the
    quotes around the name. THis looks a bit more like DCL 
36. Allow deposit to modify multiple fields. Also updated the UNDO command
    to undo the change of the last deposit.
37. Added the directory command in interactive mode with some extra's
    See the help interact direc
38. Added the ** (exponentiation) operator
39. FIxed a problem with the <= test, it would only check for <
40. Added the MINIDX and MAXIDX functions for the min/max element of a table
41. Added the set integer size 8 on vax. Computations are done via real*16
42. Added the "FOR symbol IN Expression". This allowes enumeration for the
    for loop like " for k in [1,5,20]" or even " for k in "ABCD"{*} "
43. The /record now accepts an expression. This allows you to do some 
    computation like /record="f$getdvi(""mydisk"",""FID"",1234)"
44. Allow for character ranges "A":"Z" delivers a string ABC...XYZ
45. Added the set/show default command
46. Added the "one-line" command file. This allows you to specify a
    list of commands on one line Example DIX>; for k=1,10 ; eval k;endfor
    See the help in DIX INTERACTIVE
47. Added support for datafiles containing EBCDIC data.
48. Added the F$GETSYI function
49. Added a SWITCH/CASE/ENDSWITCH to the description syntax
50. Added a SWITCH/CASE/ENDSWITCH command for interactive mode
51. Increased the performance for scripts (at least if verb substitition is
52. Added the datatype privilege (64 bits with the known names) 
53. Added the VIEWS, see the help about views DIX/HELP VIEW
54. Added the set quoted command to change the printing of strings
55. show symbol $status is default in hex.
56. Added global parameters (see the LOAD and PARAMETER command)
57. Allow parameters for F$GETSYI and F$GETDVI to be integers (parameters
     f.e. loaded via the LOAD STARLET/MODULE=$SYIDEF)
58. Added SQRT function (square root)
59. added the f$numtim, f$vectim function
60. Allow a (table) result in an expression to be subsetted with a dimension
       f$numtim()(1:3) : deliver a 3 element integer table instaed of a 7.
61. Enhanced support for unsigned integers.
61. Added a Unix date/time spec (#seconds sinc 1-jan-1970)
62. Allow links to other files with RFA/BYTEOFFSET.
63. Added F$FID_TO_NAME function
64. The () in the IF statement are no longer required, so IF A>1 say "yes"
     will work now, as well as IF (A>1) say "Yes" 
64. Added the F$SPLIT function
V0600 28-nov-2006
1. Added a decwindows interface to DIX.
2. If you changed data in the "all_formats" display and then returned,
   the screen was not updated. This has been fixed.
3. Fixed a bug in fastio, when searching for multiple-records, FASTIO
   could not correctly reset the RFA.
4. Changed the "all_format" display to allow a discard of changes via the
   F10 key or an accept of changes via the Do key.
5. Included the current key of indexed files in the header in screen mode
6. Add the the /keyboard=keyboardtype and the "set keyboard keyboardtype"
   command, added the ^F,^G, ^K,^L as pf1..pf4 for keyboard=laptop
7. Allow the /record=-10 : Start 10 records before EOF
8. Added the /LIMIT qualifier for a file. Record beyond the limit
   will return the limitreached message.
9. Added the /progess qualifier for interactive search
10. Added the ^T for search progress
11. For fastio and stream-files the VT and FF were not recognized as
    terminators. This has been solved.
12. Fixed a bug on reading previous records when the key has duplicate keys.
13. Fixed an ACCVIO in dix/inter file/nodes/raw : examine command
14. Changed the fastio option to be more general. You can now also open
    "locked" files. DIX will open the file in fastio mode (ignoring
    RMS locks) and allow you to read records (keyed, relative, sequential)
15. IN raw mode in the ascii part the moving around went wrong. THis has
    been solved. 
16. If Recordsize >32767 we now return rms$_IRC in fastio mode
17. In interactive mode the WRITE function has been enhanced to write
    more than one record
18. DIX now saves the byte offset and the binary/ascii setting over
    switching to different (screen-) display modes. The setting is also
    saved over record switching.
19. Added a RMS analyze option for indexed files. THis gives a lot of detail
    about rms internal structures. See the "DIX/help modes info/analyze"
v0510 8-jun-2006
1. Added the #IFDEF function for conditional expansion of descriptions
2. Fixed a problem with "fixed" symbols. If you explicitly declare a
   symbol with a type, DIX did not always forbid you to change the type.
3. Added the /FAST qualifier for the search commands. If you use this
   qualifier, DIX will bypass RMS, and it may be faster. See the help
    dix/help record_search/fast
4. Allow /record on indexed files, together with the /key, you now can
   read record "n" on key "key"
5. Allow search selection on record_length with lt,le,eq,ge,gt and range.
6. Included a /rfa= qualifier to select a specific record.
   the previous /rfa qualifier is replaced with the /mark. See the help
V0500 1-may-2006
1. Enhanced the wrap. Sometimes DIX would wrap output lines when not necessary.
2. Enhanced qualifiers for the DUMP command.
3. Changed the record header for dump/file to a one line display containing
   recordlength,recordnumber,vfc_record size and RFA. The output to symbols 
   is still separated.
4. Fixed some integer*8 problems
5. Added the FILECOUNT() function.
6. Enhanced the values for /FIELD and /SELECT to optionally include a
   filenamemask and descriptionmask
7. Changed the name of the BINASC key (TAB) to NEXT_WINDOW.
8. Fixed a small problem with the /next_record search qualifier.
9. Added the /FORMAT qualifier and the SET/SHOW format command, to allow
   the display of unprintable data in character strings.
10. Fixed a bug in the raw screen display with scrolling. If the data contained
     more than one screen, the display went wrong.
11. Inluded the MOUSE-usage on a decwindows-terminal, and menu_key in screenmode.
12. Included the context for a key definition. This allow you to define
     keys with different meaning in different screens. 
13. Added funtions BTEST, IBSET and IBCLR (bit manipulation)
14. There was a problem with hex input for character fields, that has been solved
15. Fixed some (non-)alignment problems on VAX
16. Fixed the (signed) display of bytes and words. They were converted as unsigned data
17. Included the DEMO mode
18. Added the RFA of the current record to the header in screen mode (thanks to Hein)
19. Fixed an error when doing screen_print and leaving the filename empty.
20. Added binary and octal display in all modes
21. Added support for previous record for an indexed and a relative file
22. Changed the key PF1-H to PF4-H and v.v.
23. Changed the search order for .des files, first currentdir, then filedir
     then userlib and finally systemlib
24. Added fieldnames for dates (none, expired etc). If you have your own descriptions
    with date types, make sure you add the [0=none] to the description line
25. Added new datatype deltatime
26. Added symbol substitution for verbs. 
27. Added the f$mode and the f$radix function
28. Added the decimal symbol type and the [u]decimal datatype.
29. The set strict command is now per level. Each @file can set its own.
30. Added the f$verify function.
31. Removed the "onelinecommand" from interactive mode, but added a
    /command=("command1","command2",..) qualifier.

V0430 21-jan-2006
1. Greatly enhanced the record search. You can now search in (fields of)
   multiple records with a lot of compare options. See the help about
2. In the interactive mode , the FIND and SEARCH commands have be changed.
   THe FIND now searches data in the record, the SEARCH records in the file.
3. Added the SHOW SEARCH, SET SEARCH and the EDIT SEARCH commands.
4. Added the set integer size 8 on alpha and ia64 (sorry not on vax)
   This allows symbols with 64 bit integers and all operations on them.
   Fields with 64 bit integers have always been supported.
5. Enhanced the CSV in dump/file.
6. Included a DUMP command in interactive mode (including a CSV qualifiers)
7. There was a problem with the make-file. The procedure used an undefined 
   symbol SAY. This problem is solved.
8. There was a link problem with older (pre 7.3 Alpha) versions of VMS.
   DIX used the routines OTS$CVT_T_S (concert text to bin for REAL*4 IEEE)
   and OTS$CVT_T_T (convert text to bin for REAL*8(IEEE). I replaced 
   these routines, and this problem should no longer occur.
V0421 1-jan-2006
1. Added the %Recordnumber() function
2. Fixed a bug in the create record when no description available
3. Fixed a bug in the control code for exit with modified data
4. Added show release_notes command

V0420 16-nov-2005
1. Added contional statements #IF,#ELSE,#ELSEIF,#ENDIF in descriptions
2. Fixed a bug in delete/symbol
3. Allow symbols to start with an _
4. Added #MESSAGE in descriptions
6. Enhanced the find options (record search)
7. Added the set file/[no]modify in interactive mode
8. Added the /relative qualifier for the position in the descriptions
  I have access to an IA64 machine now, so the kit now again includes
  the IA64 objects and binaries
V0412 28-oct-2005
1. Added f$add, f$sub, f$mul and F$divide
2. Added recall statement in the interactive mode
V0411 13-sep-2005
1. Added set process/name= command and the F$environment("PRCNAM")
V0410 8-jul-2005
1. Added the /LIMIT qualifier to stop a repeat sequence
2. Added the POINTER statement to allow pointer in records
   See the help about pointer_syntax
3. Added support for IEEE reals. We now accept the real types
   REAL*nn are accepted as aliases, with different policies for
   the different platforms (see the help). 
4. Added the SET REAL FORMAT, and SET REAL SIZE command to
   allow the real symbols in any (supported) precision.
5. Changed the EXIT command to do the exit dependend on data.
6. Leave the text on screen after EXIT (screen mode).
7. Better support for VFC files. In screen mode the screen will display
   two displays (one for the data and one for the VFC data).
8. The /EQ,/LT,/LE,/GE,/GT,/RECORD are now position dependend
   So you can now open mulitple files, each with their own record specification.
9. Added the /locking qualifier . See the help
10. Major rewrite for the RMS library
11. Added /CSV in file mode, This allows you to generate a CSV 
   (comma separated values) file for import to excell
12. Fixed a bug for the RBITS value. This conversion did not function 
    correctly when you specified field=+value (addition of one bit).

  Since I no longer have access to an IA64 machine, I cannot compile the
  newer versions. I successfully compiled the 4.0 version to IA64, so it should
  be possible to build dix0410 and later on IA64, if you have the fortran compiler.

V0400 13-sep-2004
1. Added user defined types. See help about user defined types.
   This allowes the user to define his own datatypes.
2. Added function NOT, ODD, EVEN
3. Fixed bug in label accessibility. Sometimes lables could not
   be found, while they should have been found.
4. Fixed bug in interactive mode. When depositing text all text was 
5. Added /UPPERCASE and /LOWERCASE to descriptor entries
6. Added the reference to fields from non-current file/descriptions
    e.g. filetag\descriptiontag\fieldname
7. Added unsigned qualifier for examine in raw mode
V0351 1-jun-2004
1. Added a show version command
2. Updated the show file /all command.
3. Added the oneline command to interactive mode
4. Restored the /MUTI_FILE functionality
5. Added function(s) F$INSV,F$EXTZV,F$EXTV
6. Fixed a bug when changing length of fields in screen mode
    Data was not correctly copied.
7. Fixed a bug when changing length of fields in interactive mode
    Record length was not adapted for idx/rel (not fixed) files.

V0350 1-mar-2004
1. Added commands  LOOP/TESTLOOP/ENDLOOP
                   declaration statements (REAL/LOG/CHARACTER/DATE/INTEGER)
2. Added functions F$ENVIRONMENT 
3. Changed the maximum stringlength from 255 to 65535
4. Fixed some bugs in output handling
5. Added UNIX wildcard matches
6. Added define/key for interactive mode and startup
   Changed the keydefinitions for screen mode to define/skey
7. Added display of VFC data from the file mode, and include /display qualifier
8. Added strict mode for explicit declaration
9. Added screen-mode display in interactive mode (SMG)

V0340 1-oct-2003
2. Fixed GOTO problem
3. Added functions F$ENUMERATE
                   F$GETDVI with some fields
                   F$FILE to get file information about the open file.
                   F$FIELD to get field information
                   F$ENUMERATE to list all descriptor entries

4. Added parameters for @ and call
5. Added local symbols, see help in dix/help.
6. Added new symbol type "date"

V0330 1-sep-2003
1. Added support for fields that contain links to other files
2. Enhanced parsing of expressions
3. Support for user textlibrary for description records.
4. New functions (%(B)LOC, F$(F)TYPE, F$(F)EXISTS, F$CHECKSUM
5. Support for while/endwhile in scripts

  Known problem: While it is possible to "GOTO" into or out of a 
  while/endwhile structure, this is not supported , and will be disallowed
  in a next version.
V0321 1-jul-2003
1. Added support for logical symbols and & (and) and | (or) operator
2. Enhanced parsing of expressions
3. Fixed stackdump on help function in screen mode

V0320 1-jun-2003
1. Added open/close/add/remove command in interactive mode
2. Fixed a bug in all_display modes when asking for record-offset.
   The previous version crashed the second time this procedure was called
3. Updated the display_all mode to make it more readable
4. Fixed a filesize error in display files.
5. Added support for user definable keys. See the help for more info

V0310 1-apr-2003 
Initial distributed release

V0100 1-jan-1991
First release, it was a long time ago

Known restrictions.
 When using GOSUB, the RETURN statement must be at the same syntax level
 as the entry point. This is NOT checked, and violation will result in
 strange behaviour. This problem does not exist with the CALL statement.
  IF (exp) THEN
    WHILE (expr)
      GOSUB test
  test:           -
    Statement     |
  ENDIF           | Gosub/return block runs into an endif
 statement        | Not supported
 RETURN           -

  IF (exp) THEN
    WHILE (expr)
      GOSUB test
   goto lab1	 Do not runinto, since RETURN will be unexpected
  test:           -
    statement     | Gosub/return block at the same syntax level
    Statement     | This is supported
    RETURN        _ 

2. For the not-native real values 
    a.REAL_S, REAL_T and REAL_H on VAX
    b.REAL_H                    on Alpha/IA64
    c.REAL_F, REAL_G and REAL_D on IA64

   Conversions are done via tranformations to the other equivalent types

    a. REAL_S via REAL_F, REAL_T via REAL_G, REAL_X via REAL_H on VAX
    b. REAL_H via REAL_X on Alpha/IA64
    c. REAL_F via REAL_S, REAL_G and REAL_D via REAL_X on IA64

   Since not all types have exactly the same range, some data will convert
   to overflow on one platform, and not on the other. This will only happen
   on data near the edge of the range, and should not make a difference
   for normal values.



    DIX,Utility,A program to read/modify records in any RMS (seq/relative/idx) file

This program lets you view/modify records in any RMS file.
It also has a powerful scripting facility(DCL like) including a debugger.
DIX can also be used to plot T4 files, like TLVIZ, but now on VMS (Decwindows)

Dix can work in five modes

a. Full screen mode. DIX uses SMG to display the data on the screen and 
   allows you to modify it (if you specify /MODIFY (not the default))
   This mode is the default on a terminal.
   You enter this mode by specifying the /SCREEN qualifier.

b. Interactive mode. DIX will prompt you for commands. This mode can also
   be used in batch with command files. If you specified /MODIFY
   the file can also be modified (not the default). 
   You also have poweful scripting possibilities, including a debugger.
   You enter this mode by specifying the /INTER qualifier.
   See the help with DIX/HELP INTER for possible commands.

c. File mode. DIX will display one or more records and returns to DCL. No
   interaction is possible.
   You enter this mode by specifying the /FILE qualifier.

d. Demo mode. In this mode DIX will demonstrate how to use it.
   You enter this mode by specifying the /DEMO qualifier. 

e. Plot mode. DIX can plot variables, T4 files, and general CSV files, 
    using DECWINDOWS.
In the first three modes the data can be displayed in two ways.

a. Interpreted. You need a record description to do this.
   The description file syntax looks like fortran record definitions(structures)
   and the descriptions can be in a file or in the DIX_DES.TLB text library.
   The layout of the description files is described in the DIX
   help library under the topic RECORD_FORMAT_FOR_DESCRIPTIONS


   DIX delivers (in DIX_DES.TLB) descriptions for the following files
    MONITOR            (filename MONITOR.*)
    BACKUP_SAVE_SETS   (extension .bck or .sav)
    DIRECTORY files   (filename .DIR)
    ACCOUNTNG.DAT     (filename ACCOUNTNG.*)
    Some ALL-IN-1 files.

   And you can add any file you like, if you know the record layout.
   For a complete list use DIX>show desciptions/all  

b. Raw dump. The program displays the data like VMS DUMP and
   you can modify any byte/word/longword in hex/decimal/octal/binary.

  See the help via the HELP command.

Define DIX as a foreign command

DIX:=$'directory'dix_alpha or DIX_VAX or DIX_IA64

DIX[/mode] filename /qualifiers

For the qualifiers see the help via DIX/HELP, but one very 
one important one is the /MODIFY. If you do not specify /MODIFY the
file is opened readonly and cannot be modified.

You can also get some idea about the possibilities of DIX via the
demo mode DIX/DEMO, and select one of the demo's.

The files DIX.HLB and DIX_DES.TLB must be in the same directory as DIX, 
or you must define the logical DIX_HELP and/or DIX_DES to another file.

The executables and objects for Vax,Alpha and IA64 are skipped with the kit,
as well as the sources. If you want to rebuild DIX, goto the dix directory and
use the command procedure @MAKE_DIX_'arch' [LINK]. 
This will compile (if p1<>"LINK") and link DIX.
You will need a fortran compiler to do the compilation.


  Will display the SYSUAF record of user "SMITH" using SMG, and lets
  you scroll though this data. If you specified /MODIFY, you can also
  modify entries (When you type any character on that field, you enter 
  modify mode for that field (this is signalled by an underline under
  the text)). You leave modify mode for that field when you type ENTER.
  The (modified) data is not written to the file until you type DO or PF4.
  F10 or ^Z returns you to DCL.

  Will enter interactive mode (non-smg), and allows you to inspect/modify
  fields of the current record. It also contains a scripting
  language. Type help in this mode to see the possible commands.

  Will enter decwindows mode, and allows you to inspect/modify
  fields of the current record.

  Will display the data on the terminal, but will not allow you to modify
  the record. If a description can be found, all fields are displayed,
  if not the output will be like the vms DUMP command

$DIX/FILE datafile/REC=10
  Will display the data on the terminal, but will not allow you to modify
  the record (DUMP command). Only record 10 will be displayed

$DIX/FILE datafile/RECORD=10/COUNT=5
  Will display the data on the terminal, but will not allow you to modify
  the record (DUMP command). The records 10 upto 14 (5) wil be displayed.

  Will start a demo session. You will be given a choise of various
  demo modes. They look like the real thing, but do NOT open/change 
  any file.

$DIX/PLOT T4_CSV040_26FEB2011_0001_2359_COMP.CSV;1
  Will start plot mode for a t4 file.

Example of a (complicated) description record of the INDEXF.SYS file
   the (n) are explained below

	ubyte		id_offset	! Offset to Ident area
	ubyte		map_offset	! Offset mapping area
	ubyte		acl_offset	! Offset to ACL area
	ubyte		res_offset	! Offset to reserved area
	integer*2	seg_num		! Extension seqment number
	byte struct_lev_min		! On disk structure level
	byte struct_lev_maj		! On disk structure level
	fileid          file_id		! File id
	fileid          ext_fid		! File id extension header
        structure       rec_attr	! RMS record attributes
         byte rectyp
         byte recattr
         integer*2 recsiz
         rinteger*4 hblk       !highest block with high/low word reversed
         rinteger*4 eofblk     !eof block also reversed, a heritance of the PDP11 
         integer*2 eofbyte
         byte bucketsize
         byte vfcsize
         integer*2 maxrec
         integer*2 defext
         integer*2 globbuf
         integer*2 %fil3(4)
         integer*2 verslim
	end structure
	bits*4		file_char -		(1)
	character*2	%res_1		! reserved 1
	ubyte		map_in_use	! # map words in use
	byte		acc_mode	! File accessor priv mode needed
	uic		owner		! Owning UIC
	protection	protection	! File protection
	fileid		backl_fid	! Backlink file id
	bits*2		journal		! Journalling flags
	integer*2	ru_active	! Recover facility unit number
	intege*4	highwater	! Highest blocknr written + 1
	 map struct_lev_maj=5                     (2)
	  byte FI5$B_CONTROL    [0=ODS-2,1=ODS-5] (3)
	  byte FI5$B_NAMELEN   
	  integer*2 FI5$W_REVISION   
	  date FI5$Q_CREDATE
	  date FI5$Q_REVDATE 
	  date FI5$Q_EXPDATE   
	  date FI5$Q_BAKDATE    
	  date FI5$Q_ACCDATE    
	  date FI5$Q_ATTDATE  
	  integer*8 FI5$Q_EX_RECATTR
	  integer*8 FI5$Q_LENGTH_HINT_LOW
	  integer*8 FI5$Q_LENGTH_HINT_HIGH
	  character*(fi5$b_namelen) FI5$S_FILENAME  (7)
	 end map
	 map struct_lev_maj=2
	  character*20	fnam		! Variable mapped entries
	  integer*2         revnr
	  date*8            cdat
	  date*8            rdat
	  date*8            edat
	  date*8            bdat
	  character*66	rest_fnam
	 end map
	 map *			(4)
	  integer*4 data(20)
	 end map
	end union
	range (map_offset*2:map_offset*2+map_in_use-1) (5)
           diskmap maps(256)	 
	end range
	range (acl_offset*2:res_offset*2-1)
	   acl acls(50)	
	end range
	position (min(510,max(0,recordsize)))    (6)
	integer*2/hex checksum

(1) is an example for a bits type. The part between the []
    gives an more friendly view of the bits.
    For example bit3 will be displayed as "readonly"
    Any bit not described will be displayed as BITnn (for example bit8)
(2) is an example of a union/map structure. A union contains one
    or more maps. This part is selected if the field STRUCT_LEV_MAJ 
    contains 5. See also (4)
(3) This is an example for an integer (byte). The part between
    the [] gives a list of possible values of the integer.
    For example : if the value of FI5$B_CONTROL is 1, the
    text displayed is ODS-5. If is is 0 the text displayed will
    be ODS-2. Anly other value than 0 or 1 will be displayed as the 
    normal numeric value.
(4) The rest of the union/map. If none of the map statements has
    matched, this one will. If you do not specify a map with an *,
    the first map will be taken (in this case the map struct_lev_maj=5 
(5) This is an example for the RANGE statement. A RANGE defines a
    part of the record. 
    In this case the field diskmap map(256) in contained in a part
    of the record between bytes map_offset*2:map_offset*2 and map_in_use-1
    The length 256 is choosen to be big enough.
(6) A example of a Position statement. This set the offset for the 
    next field to an absolute value (in this case 510).
    The next field (checksum) will be at offset 510.
(7) The length of the character string depends on a previous field

All fieldsizes are in bytes, except within a bitfield/endbitfield range.
In this bitfield_mode only (u)integer, (r)bits and logical fields are allowed.

Another example of files that are linked 

  The example is about 3 RMS indexed files that form a simple sourcemodule
  cross_reference system

  The first file (CROSS_REF.CRF_CROSS) has the following description
  (.CRF_CROSS in the system or user textlibrary)
          integer*2    caller_nr /file=.crf_mod_names   !link to modulename
          integer*2    called_nr /file=.crf_mod_names   !link to modulename

  The second file (CROSS_REF.CRF_MOD_NAMES) has the following description
  (.CRF_MOD_NAMES in the system or user textlibrary)
          integer*2     mod_nr                           !primary key
	  integer*2     nk_mod_name
          character*40  mod_name
          integer*2     file_nr/file=.crf_file_names     !link to the filename

  The third file (CROSS_REF.CRF_FILE_NAMES) has the following description
  (.CRF_FILE_NAMES in the system or user textlibrary)
          integer*2     file_nr                          !primary key
          integer*2     nk_file_name
          character*256 file_name

  When you now (dix-)edit the CROSS_REF.CRF_CROSS file
    %DIX-I-USINGDES, Using description SYSLIB(.CRF_CROSS)
    DIX> EXA *
     0|CALLER_NR>|738             !the > tells us there is a link present

 You can follow the link to the next file

    DIX> Follow CALLER_NR         !try to follow this link
    File .CRF_MOD_NAMES not (yes) opened, open it (y/[n]):Y     !do you want to open the file?
    %DIX-I-USINGDES, Using description SYSLIB(.CRF_MOD_NAMES)
    DIX> Exa *
    0|MOD_NR  |738
   34|FILE_NR>|66                 !and this field also has a link defined

 Now follow the link to the third file (open automatic)

    DIX> Follow/automatic file_nr
    %DIX-I-USINGDES, Using description SYSLIB(.CRF_FILE_NAMES)
    DIX> Exa *
    0|FILE_NR  |66

 Now backtrace to the CROSS_REF.CRF_MOD_NAMES file

    %DIX-I-USINGDES, Using description SYSLIB(.CRF_MOD_NAMES)
    DIX> Exa *
    0|MOD_NR  |738
Now DIX also knows views. These are special descriptions that allow you to
combine fields from various files (like database views). These views make
use of the description files for the files.
For the above example you can also have used the following view (in dix_des.tlb)

  field caller_nr       !include the field caller_nr
  follow caller_nr      !follow the link on caller_nr to the .cref_mod_names
  gosub display_it      !go to a general routine to select the fields
  field/readonly called_nr  !include field called_nr (but reaonly)
  follow/read called_nr     !follow the link to the .cref_mod_names
  gosub display_it	!and again the general routine
  exit			!end of this view

  display_it:           ! general routine to display info of calle*_nr
    field mod_name      !select mod_name
    follow/read file_nr !follow the link to the .cref_file_names
    field file_name     !and display the filename
    back                !back to the .crf_mod_names
    back                !back to the .crf_cross
  return		!done with the routine

    Data from View
      0|CALLER_NR  |1085              !show caller nr
      2|MOD_NAME   |DIX_CLD           !show module name for called
     42|FILE_NAME  |DIX_CLD.CLD       !show filename
                   |                  !256 bytes
                   |                  !so multiple line
    298|CALLED_NR  |34                !show called nr
    300|MOD_NAME_1 |DIX_MODE_SCREEN   !show module name for called routine
    340|FILE_NAME_1|DIX_MAIN.FOR      !and its filename
                   |                  !and again multiple lines

For a complete list of directives see the help in the DIX_HELP.HLB under the
topic "RECORD_FORMAT". Use DIX/HELP to display this help.


Be careful when modifying datafiles. DIX is very powerful and has no UNDO
function after you update the record. If you modify the record, there is 
no way back except the backup (if you have one). /BLOCK mode is even more
powerful (and also dangerous), since it bypasses RMS. 

This package contains the following files

In the main directory

 DIX_VAX.EXE			The Vax executable
 DIX_ALPHA.EXE			The Alpha Executable 
 DIX_IA64.EXE			The IA64 Executable 
 DIX_HELP.HLB			The help library
 DIX_DES.TLB			The file containing the description records
 RELEASE_NOTES.TXT   		The release notes
 DIX_RGB.DAT                    The colour table. This file is needed if you
                                 want to plot to a .ps file and no decwindows 
                                 is installed

In the [.SOURCE] directory

 The FORTRAN sources

  DIX*.FOR			A lot of source files
  DIX*.INC                      The include files (definitions)
  DIX.VERSION			The version file
  DIX.OPT                       The options file
  DIX_HELP.HLP                  The Help file
  DIX_CLD.CLD			The command line definitions
  DIX_MESSAGE.MSG               The Message file
  MAKE_DIX_VAX.COM		The command procedure to compile/link VAX
  MAKE_DIX_ALPHA.COM		The command procedure to compile/link Alpha
  MAKE_DIX_IA64.COM		The command procedure to compile/link IA64

In the [.VAX]   directory the VAX   objects
In the [.ALPHA] directory The Alpha objects
In the [.IA64]  directory The IA64  objects


 Unpack the save set
  $BACKUP DIX_vers[_a].BCK [...]/log
    vers is the dix version f.e. 0830
    a    is the optional architecture (V(ax), A(lpha) or I(A64)
   This will create a [.DIX...] directory tree

 If you want to rebuild the program, goto the [.source] directory

    $set default device:[directory.dix.source]
   If you have a fortran compiler 
     $@make_dix_'architecture'       (vax/alpha/ia64)
   otherwise, just link
     $@make_dix_'architecture' link  (vax/alpha/ia64)

 DIX was linked with VMS-VAX 7.3, VMS-Alpha 8.4, VMS-IA64 8.3-1.
 If you have older versions (specifically VMS-Alpha below 7.3) you
 may have to relink. I included all objects so you can relink without

 If you do not have DECWINDOWS installed, DIX will not start because
  SYS$SHARE:DECW$XLIBSHR cannot be found. In this case you have to relink DIX.
  Before you link DIX you must remove the line SYS$SHARE:DECW$XLIBSHR/SHARE in 
   the make_dix_'architecture'.com file, 
   and then use @make_dix_'architecture' LINK
  This will generate some messages from the linker about missing X$* functions,
  but DIX will link correctly, and of course you cannot use the DIX/DECW mode.
 DIX now distributes the DIX_RGB.DAT file to allow plotting to a postscript file
  and no DECWINDOWS installed (it is a copy of the sys$manager:decw$rgb.dat)
  DIX/PLOT file /post=x.ps 

The most recent version can be downloaded from oooovms.dyndns.org.

Author: Fekko Stubbe

If you have questions or suggestions, please mail to the mail address below:
Email : dixdev (at) oooovms.dyndns.org 


Maintained by the OpenOffice on OpenVMS porting Project.