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

NAME
       sccs-comb, comb - combine SCCS deltas

SYNOPSIS
       /usr/ccs/bin/comb [-os] [-csid-list] [-psid] s.filename...

DESCRIPTION
       comb  generates	a  shell script (see sh(1)) that you can use to recon‐
       struct 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 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.

       If no options are specified, comb preserves only the most recent (leaf)
       delta  in  a branch, and the minimal number of ancestors needed to pre‐
       serve 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. Other‐
		       wise, the reconstructed file is accessed	 at  the  most
		       recent ancestor. The use of -o may decrease the size of
		       the reconstructed s.file. It may also alter  the	 shape
		       of the delta tree of the original file.

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

		       100 * ( original − combined ) / original

		       This  option  can  be  used to calculate the space that
		       will be saved, before actually 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), sccs‐
       file(4), attributes(5)

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

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

SunOS 5.10			  1 Nov 1999			  sccs-comb(1)
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