sccs-comb, comb - combine SCCS deltas


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


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

     If a directory name is used in place of the s.filename argu-
     ment, the comb command applies to all s.files in that direc-
     tory. Unreadable s.files produce an error;  processing  con-
     tinues  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.


     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
           combining  deltas. When run, the shell scripts report:
           the file name, size (in blocks) after combining,  ori-
           ginal  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.

           Include the indicated list of deltas.  All other  del-
           tas 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.


           reconstructed  SCCS file

           temporary file


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

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


     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)


     Use the  SCCS  help  command  for  explanations  (see  sccs-


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

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