sccs-delta, delta - make a delta to an SCCS file


     /usr/ccs/bin/delta [-dnps] [-g sid-list  |  -gsid-list]   [-
     m mr-list  |  -mmr-list]   [-r sid | -rsid]  [ -y [comment]]

     /usr/xpg4/bin/delta [-dnps] [-g sid-list |  -gsid-list]   [-
     m mr-list  |  -mmr-list]   [-r sid | -rsid]  [ -y [comment]]


     The delta utility checks in a  record  of  the  line-by-line
     differences  made  to  a checked-out version of a file under
     SCCS control. These changes  are  taken  from  the  writable
     working  copy  that was retrieved using the SCCS get command
     (see sccs-get(1)).  This working copy does not have the `s.'
     prefix, and is also referred to as a g-file.

     If a directory name is used in place of the s.filename argu-
     ment,  the  delta  command  applies  to  all s.files in that
     directory. Unreadable s.files produce an  error;  processing
     continues with the next file (if any). The use of `-' as the
     s.filename argument indicates that the names of files are to
     be  read  from  the  standard  input,  one  s.file  per line
     (requires -y, and in some cases, -m).

     delta may issue prompts on  the  standard  output  depending
     upon the options specified and the flags that are set in the
     s.file (see sccs-admin(1), and the -m and -y options  below,
     for details).

     The SID of the delta is not echoed to stdout.


     The following options are supported:

     -d    Use command diff(1) instead of bdiff(1). Returns  exit
           status 2 if s.filename argument is not specified.

     -n    Retain the edited g-file, which is normally removed at
           the completion of processing.

     -p    Display line-by-line differences (in  diff(1)  format)
           on the standard output.

     -s    Silent.  Do not display warning or  confirmation  mes-
           sages.   Do  not  suppress  error  messages (which are
           written to standard error).

     -g sid-list | -gsid-list
           Specify a list of deltas to  omit  when  the  file  is
           accessed  at the SCCS version ID (SID) created by this
           delta. sid-list is a comma-separated list of SIDs.  To
           specify a range of deltas, use a `-' separator instead
           of a comma, between two SIDs in the list.

     -m mr-list | -mmr-list
           If the SCCS  file  has  the  v  flag  set  (see  sccs-
           admin(1)),  you  must  supply one or more Modification
           Request (MR) numbers for the new delta. When  specify-
           ing  more  than one MR number on the command line, mr-
           list takes the form of a quoted, space-separated list.
           If  -m  is not used and the standard input is a termi-
           nal, delta prompts with  MRs?  for  the  list  (before
           issuing  the  comments?  prompt). If the v flag in the
           s.file has a value, it is taken to be the  name  of  a
           program to validate the MR numbers. If that validation
           program returns a non-zero  exit  status,  delta  ter-
           minates without checking in the changes.

     -r sid | -rsid
           When two or more versions are checked out, specify the
           version  to check in. This SID value can be either the
           SID specified on the get command line, or the  SID  of
           the new version to be checked in as reported by get. A
           diagnostic results if the specified SID is  ambiguous,
           or if one is required but not supplied.

           Supply a comment for the delta table (version log).  A
           null  comment  is accepted, and produces an empty com-
           mentary in the log. If -y is  not  specified  and  the
           standard input is a terminal, delta prompts with `com-
           ments?'. An unescaped NEWLINE terminates the comment.


     See environ(5) for descriptions of the following environment
     variables  that affect the execution of delta: LANG, LC_ALL,


     The following exit values are returned:

     0     Successful completion.

     1     An error occurred and  the  -d  option  had  not  been

     2     An error occurred, the -d option had  been  specified,
           and the s.filename argument was not specified.


           temporary file of differences

           lock file for a checked-out version

           temporary file

           SCCS history file

           temporary copy of the s.file

           temporary file


     See attributes(5) for descriptions of the  following  attri-

    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    | Availability                | SUNWsprot                   |

    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    | Availability                | SUNWxcu4t                   |
    | Interface Stability         | Standard                    |


     bdiff(1), diff(1), sccs-admin(1), sccs-cdc(1),  sccs-get(1),
     sccs-help(1),   sccs-prs(1),   sccs-prt(1),   sccs-rmdel(1),
     sccs-sccsdiff(1),    sccs-unget(1),    sccs(1),     what(1),
     sccsfile(4), attributes(5), environ(5), standards(5)


     Use the  SCCS  help  command  for  explanations  (see  sccs-


     Lines beginning with an ASCII  SOH  character  (binary  001)
     cannot be placed in the SCCS file unless the SOH is escaped.
     This character has special meaning to SCCS (see sccsfile(4))
     and produces an error.

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