User Commands                                         sccs-cdc(1)


     sccs-cdc, cdc - change the delta commentary of an SCCS delta


     /usr/ccs/bin/cdc -rsid [-mmr-list] [-q[nsedelim]]
         [-y[comment]] [-z] s.filename...


     cdc annotates the delta commentary for  the  SCCS  delta  ID
     (SID) specified by the -r option in each named s.file.

     If the v flag is set in the s.file, you can also use cdc  to
     update the Modification Request (MR) list.

     If you checked in the delta, or, if you  own  the  file  and
     directory  and  have  write  permission,  you can use cdc to
     annotate the commentary.

     Rather than replacing the existing commentary,  cdc  inserts
     the new comment you supply, followed by a line of the form:

     *** CHANGED *** yy/mm/dd hh/mm/ss username

     above the existing commentary.

     If a directory is named as the s.filename argument, the  cdc
     command applies to all s.files in that directory. Unreadable
     s.files produce an error; processing continues with the next
     file  (if  any). If `-' is given as the s.filename argument,
     each line of the standard input is taken as the name  of  an
     SCCS history file to be processed, and the -m and -y options
     must be used.


     -rsid        Specify the SID of the delta to change.

     -mmr-list    Specify one  or  more  MR  numbers  to  add  or
                  delete. When specifying more than one MR on the
                  command line,  mr-list  takes  the  form  of  a
                  quoted,  space-separated  list. To delete an MR
                  number, precede it with a ! character (an empty
                  MR  list  has no effect). A list of deleted MRs
                  is placed in the comment section of  the  delta

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User Commands                                         sccs-cdc(1)

                  commentary.  If -m is not used and the standard
                  input is a terminal, cdc prompts with MRs?  for
                  the list (before issuing the comments? prompt).
                  -m is only useful when the v flag is set in the
                  s.file.   If that flag 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, cdc  terminates  and  the
                  delta commentary remains unchanged.

     -V           Prints  the  cdc  version  number  string   and

     -y[comment]  Use comment as the annotation in the delta com-
                  mentary.  The  previous  comments are retained;
                  the comment is added along with a notation that
                  the  commentary  was  changed.  A  null comment
                  leaves the commentary unaffected. If -y is  not
                  specified and the standard input is a terminal,
                  cdc prompts with comments? for the text of  the
                  notation  to  be  added.   An unescaped NEWLINE
                  character terminates the annotation text.

     -q[nsedelim] Enable NSE  mode.   If  NSE  mode  is  enabled,
                  several NSE related extensions may be used.  In
                  this release, the value of nsedelim is ignored.

                  This option is an  undocumented  SUN  extension
                  that  does not exist in historic sccs implemen-

     -z           Enable CMF extensions for MR number handling.

                  This option is an  undocumented  SUN  extension
                  that  does not exist in historic sccs implemen-


     Example 1 Changing the annotated commentary

     The following command:

       example% cdc -r1.6 -y"corrected commentary" s.program.c

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User Commands                                         sccs-cdc(1)

     produces the following annotated commentary for delta 1.6 in

       D 1.6 88/07/05 23:21:07 username 9 0 00001/00000/00000
       corrected commentary
       *** CHANGED *** 88/07/07 14:09:41 username
       performance enhancements in main()


     See environ(5) for descriptions of the following environment
     variables  that  affect  the  execution  of  cdc(1):   LANG,

          If set, cdc(1) will not automatically call help(1) with
          the  SCCS  error  code in order to print a more helpful
          error message. Scripts that depend on the  exact  error
          messages  of  SCCS  commands should set the environment
          variable SCCS_NO_HELP and set LC_ALL=C.


     The following exit values are returned:

     0    Successful completion.

     1    An error occurred.


     s.file      SCCS history file, see sccsfile(4).

     x.file      temporary copy of the  s.file;  renamed  to  the
                 s.file after completion

     z.file      temporary lock file contains the binary  process
                 id in host byte order followed by the host name

     dump.core   If the file  dump.core  exists  in  the  current
                 directory  and  a  fatal  signal  is received, a

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User Commands                                         sccs-cdc(1)

                 coredump is initiated via abort(3).


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

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


     sccs(1),    sccs-admin(1),    sccs-comb(1),     sccs-cvt(1),
     sccs-delta(1),   sccs-get(1),   sccs-help(1),   sccs-log(1),
     sccs-prs(1),   sccs-prt(1),   sccs-rmdel(1),   sccs-sact(1),
     sccs-sccsdiff(1),   sccs-unget(1),   sccs-val(1),  bdiff(1),
     diff(1),     what(1),     sccschangeset(4),     sccsfile(4),
     attributes(5), environ(5), standards(5).


     Use the  SCCS  help  command  for  explanations  (see  sccs-


     The SCCS suite was origininally written by Marc J.  Rochkind
     at  Bell Labs in 1972.  Release 4.0 of SCCS, introducing new
     versions of  the  programs  admin(1),  get(1),  prt(1),  and
     delta(1)  was  published on February 18, 1977; it introduced
     the new text based SCCS v4  history  file  format  (previous
     SCCS  releases used a binary history file format).  The SCCS
     suite was later maintained by various people at AT&T and Sun
     Microsystems.   Since  2006, the SCCS suite is maintained by
     Joerg Schilling.

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