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OpenSolaris 2009.06 - man page for comb (opensolaris section 1)

sccs-comb(1)				  User Commands 			     sccs-comb(1)

NAME
       sccs-comb, comb - combine SCCS deltas

SYNOPSIS
       comb [-os] [-csid-list] [-psid] s.filename...

DESCRIPTION
       comb  generates	a  shell script (see sh(1)) that you can use to reconstruct the indicated
       s.files. This script is written to the standard output.

       If a directory name is used in place of the s.filename argument, the comb command  applies
       to  all s.files in that directory. Unreadable s.files produce an error; processing contin-
       ues 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.

       If no options are specified, comb preserves only the most recent (leaf) delta in a branch,
       and the minimal number of ancestors needed to preserve the history.

OPTIONS
       The following options are supported:

       -o	     For each `get -e' generated, access the reconstructed file at the release of
		     the  delta  to  be created. Otherwise, the reconstructed file is accessed at
		     the most recent ancestor. The use of -o can decrease the size of the  recon-
		     structed s.file. It can also alter the shape of the delta tree of the origi-
		     nal file.

       -s	     Generate scripts to gather statistics, rather than  combining  deltas.  When
		     run, the shell scripts report: the file name, size (in blocks) after combin-
		     ing, original size (also in blocks), and the percentage  size  change,  com-
		     puted by the formula:

		     100 * ( original - combined ) / original

		     This  option  can be used to calculate the space that is saved, before actu-
		     ally doing the combining.

       -csid-list    Include the indicated list of deltas.  All other deltas  are  omitted.  sid-
		     list  is a comma-separated list of SCCS delta IDs (SIDs). To specify a range
		     of deltas, use a `-' separator instead of a comma, between two SIDs  in  the
		     list.

       -pSID	     The SID of the oldest delta to be preserved.

FILES
       s.COMB	    reconstructed  SCCS file

       comb?????    temporary file

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWsprot 		   |
       +-----------------------------+-----------------------------+

SEE ALSO
       sccs(1),  sccs-admin(1),  sccs-cdc(1),  sccs-delta(1),  sccs-help(1),  sccs-prs(1),  sccs-
       prt(1), sccs-rmdel(1), sccs-sccsdiff(1), what(1), sccsfile(4), attributes(5)

DIAGNOSTICS
       Use the SCCS help command for explanations (see sccs-help(1)).

BUGS
       comb might rearrange the shape of the tree of deltas. It might  not  save  any  space;  in
       fact, it is possible for the reconstructed file to actually be larger than the original.

SunOS 5.11				   30 Jun 2007				     sccs-comb(1)


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