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comb(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 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. Otherwise, the
                     reconstructed  file is accessed at the most recent ances‐
                     tor. 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 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  is
                     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(7) for descriptions of the following attributes:


       tab()  box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
       TRIBUTE VALUE _ Availabilitydeveloper/build/make


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(5), attributes(7)

DIAGNOSTICS
       Use the sccs-help command for explanations of SCCS commands. 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  actu‐
       ally be larger than the original.



Solaris 11.4                      23 Mar 2011                     sccs-comb(1)
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