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cdc(1)									cdc(1)

NAME
       cdc - Changes the comments in a Source Code Control System (SCCS) delta

SYNOPSIS
       cdc -rSID [-m] [MRlist] [-y] [comment] file...

       cdc -rSID -mMRlist -ycomment -

       The  cdc	 command  changes the Modification Requests (MRs) and comments
       for the SID specified by the -r option for each named Source Code  Con‐
       trol System (SCCS) file.

OPTIONS
       Supplies a list of MR numbers for cdc to add or delete in the SID spec‐
       ified by the -r option.	You can use this option only if the  file  has
       the  v  header flag set (see the admin command).	 A null MR list has no
       effect.

	      In MRlist, MRs are separated by spaces, tab characters, or both.
	      To  delete  an  MR, precede the MR number with an ! (exclamation
	      point). If the MR you want to delete is currently in the list of
	      MRs,  it is changed into a comment line.	The cdc command places
	      a list of all deleted MRs in the comment section	of  the	 delta
	      and  precedes them with a comment line, indicating that the fol‐
	      lowing MRs were deleted.

	      If you do not specify the -m option, and the v  header  flag  is
	      set,  MRs	 are read from standard input.	If standard input is a
	      terminal, the cdc command prompts you for	 the  MRs.  The	 first
	      newline  character not preceded by a \ (backslash) ends the list
	      on the command line.  The cdc command continues  to  take	 input
	      until  it	 reads	an End-of-File character or a blank line.  MRs
	      are always read before comments (see the -y option).  If	the  v
	      flag has a value, cdc interprets the value as the name of a pro‐
	      gram that validates the MR numbers.  If the MR number validation
	      program  returns a nonzero exit value, the cdc command stops and
	      does not change the MRs.	Specifies the SCCS identification num‐
	      ber  of the delta for which cdc will change the comments or MRs.
	      Specifies text to replace any comment already existing  for  the
	      delta  specified	by  the	 -r option.  The cdc command keeps the
	      existing comments and precedes them by a comment	line,  stating
	      that they were changed.  A null comment has no effect.

	      If  you  do  not specify -y, the cdc command reads comments from
	      standard input until it reads an End-of-File character.  If  the
	      standard	input  is  a terminal, the cdc command prompts for the
	      comments and also allows a blank line to end input.  If the last
	      character	 of a line is a \ (backslash), the cdc command ignores
	      it and continues to read standard input.

       If cdc reads standard input for file names (that is, when you specify a
       file name of - (dash)), you must use the -y and -m options.

DESCRIPTION
       If  you specify a directory name, cdc performs the requested actions on
       all SCCS files in that directory (that is, all files  with  names  that
       have  the s.  prefix).  If you specify a - (dash) in place of file, cdc
       reads standard input and interprets each line as the name  of  an  SCCS
       file. For more information on SCCS, see the Programming Support Tools.

       You can change the comments and MRs for an SID only if you made the SID
       or you own the file and the directory.  For  more  information  on  the
       permissions needed to change SCCS files, see the get command.

EXIT STATUS
       For information about exit values, see the OPTIONS section.

EXAMPLES
       To change the comment for SID 1.3 of SCCS file s.test.c to new comment,
       enter: cdc -r1.3 -y"new comment" s.test.c

SEE ALSO
       Commands:  admin(1),  comb(1),  delta(1),  get(1),  prs(1),   rmdel(1),
       sact(1), sccs(1), sccsdiff(1), sccshelp(1), unget(1), val(1), what(1)

       Files:  sccsfile(4)

       Programming Support Tools

									cdc(1)
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