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PRS(P)                     POSIX Programmer's Manual                    PRS(P)

       prs - print an SCCS file (DEVELOPMENT)

       prs [-a][-d dataspec][-r[SID]] file...

       prs [ -e| -l] -c cutoff [-d dataspec] file...

       prs [ -e| -l] -r[SID][-d dataspec]file...

       The  prs utility shall write to standard output parts or all of an SCCS
       file in a user-supplied format.

       The prs utility  shall  conform  to  the  Base  Definitions  volume  of
       IEEE Std 1003.1-2001,  Section  12.2, Utility Syntax Guidelines, except
       that the -r option  has  an  optional  option-argument.  This  optional
       option-argument cannot be presented as a separate argument. The follow-
       ing options shall be supported:

       -d  dataspec
              Specify the output data specification. The dataspec shall  be  a
              string  consisting of SCCS file data keywords (see Data Keywords
              ) interspersed with optional user-supplied text.

              Specify the SCCS identification string  (SID)  of  a  delta  for
              which information is desired. If no SID option-argument is spec-
              ified, the SID of the  most  recently  created  delta  shall  be

       -e     Request  information  for  all  deltas  created earlier than and
              including the delta designated via the -r option  or  the  date-
              time given by the -c option.

       -l     Request  information  for  all  deltas  created  later  than and
              including the delta designated via the -r option  or  the  date-
              time given by the -c option.

       -c  cutoff
              Indicate the cutoff date-time, in the form:


       For  the YY component, values in the range [69,99] shall refer to years
       1969 to 1999 inclusive, and values in the range [00,68] shall refer  to
       years 2000 to 2068 inclusive.

              It  is expected that in a future version of IEEE Std 1003.1-2001
              the default century inferred from a 2-digit  year  will  change.
              (This  would  apply  to all commands accepting a 2-digit year as

       No changes (deltas) to the SCCS file that were created after the speci-
       fied  cutoff  date-time  shall be included in the output. Units omitted
       from the date-time default to their maximum possible values; for  exam-
       ple, -c 7502 is equivalent to -c 750228235959.

       -a     Request  writing  of information for both removed-that is, delta
              type= R (see rmdel )- and  existing-that  is,  delta  type=  D,-
              deltas.  If  the  -a  option  is  not specified, information for
              existing deltas only shall be provided.

       The following operand shall be supported:

       file   A pathname of an existing SCCS file or a directory. If file is a
              directory,  the  prs utility shall behave as though each file in
              the directory were specified as a named file, except  that  non-
              SCCS  files  (last component of the pathname does not begin with
              s.) and unreadable files shall be silently ignored.

       If exactly one file operand appears, and it is '-' , the standard input
       shall be read; each line of the standard input shall be taken to be the
       name of an SCCS file to be processed.  Non-SCCS  files  and  unreadable
       files shall be silently ignored.

       The standard input shall be a text file used only when the file operand
       is specified as '-' . Each line of the text file shall  be  interpreted
       as an SCCS pathname.

       Any SCCS files displayed are files of an unspecified format.

       The following environment variables shall affect the execution of prs:

       LANG   Provide  a  default value for the internationalization variables
              that are unset or null. (See  the  Base  Definitions  volume  of
              IEEE Std 1003.1-2001,  Section  8.2,  Internationalization Vari-
              ables for the precedence of internationalization variables  used
              to determine the values of locale categories.)

       LC_ALL If  set  to a non-empty string value, override the values of all
              the other internationalization variables.

              Determine the locale for  the  interpretation  of  sequences  of
              bytes  of  text  data as characters (for example, single-byte as
              opposed to multi-byte characters in arguments and input files).

              Determine the locale that should be used to  affect  the  format
              and contents of diagnostic messages written to standard error.

              Determine the location of message catalogs for the processing of
              LC_MESSAGES .


       The standard output shall be a text file whose format is  dependent  on
       the data keywords specified with the -d option.

   Data Keywords
       Data  keywords  specify  which parts of an SCCS file shall be retrieved
       and output. All parts of an SCCS file have an associated data  keyword.
       A data keyword may appear in a dataspec multiple times.

       The information written by prs shall consist of:

        1. The user-supplied text

        2. Appropriate  values  (extracted from the SCCS file) substituted for
           the recognized data keywords in the  order  of  appearance  in  the

       The  format  of a data keyword value shall either be simple ( 'S' ), in
       which keyword substitution is direct, or multi-line ( 'M' ).

       User-supplied text shall be any text other than  recognized  data  key-
       words.  A <tab> shall be specified by '\t' and <newline> by '\n' . When
       the -r option is not specified, the default dataspec shall be:


       and the following dataspec shall be used for each selected delta:


                               SCCS File Data Keywords
     Keyword Data Item                      File Section Value             Format
     :Dt:    Delta information              Delta Table  See below*        S
     :DL:    Delta line statistics          "            :Li:/:Ld:/:Lu:    S
     :Li:    Lines inserted by Delta        "            nnnnn***          S
     :Ld:    Lines deleted by Delta         "            nnnnn***          S
     :Lu:    Lines unchanged by Delta       "            nnnnn***          S
     :DT:    Delta type                     "            D or R            S
     :I:     SCCS ID string (SID)           "            See below**       S
     :R:     Release number                 "            nnnn              S
     :L:     Level number                   "            nnnn              S
     :B:     Branch number                  "            nnnn              S
     :S:     Sequence number                "            nnnn              S
     :D:     Date delta created             "            :Dy:/:Dm:/:Dd:    S
     :Dy:    Year delta created             "            nn                S
     :Dm:    Month delta created            "            nn                S
     :Dd:    Day delta created              "            nn                S
     :T:     Time delta created             "            :Th:::Tm:::Ts:    S
     :Th:    Hour delta created             "            nn                S
     :Tm:    Minutes delta created          "            nn                S
     :Ts:    Seconds delta created          "            nn                S
     :P:     Programmer who created Delta   "            logname           S
     :DS:    Delta sequence number          "            nnnn              S
     :DP:    Predecessor Delta sequence     "            nnnn              S
     :DI:    Sequence number of deltas      "            :Dn:/:Dx:/:Dg:    S
             included, excluded, or ignored
     :Dn:    Deltas included (sequence #)   "            :DS: :DS: ...     S
     :Dx:    Deltas excluded (sequence #)   "            :DS: :DS: ...     S
     :Dg:    Deltas ignored (sequence #)    "            :DS: :DS: ...     S
     :MR:    MR numbers for delta           "            text              M
     :C:     Comments for delta             "            text              M
     :UN:    User names                     User Names   text              M
     :FL:    Flag list                      Flags        text              M
     :Y:     Module type flag               "            text              S
     :MF:    MR validation flag             "            yes or no         S

     :MP:    MR validation program name     "            text              S
     :KF:    Keyword error, warning flag    "            yes or no         S
     :KV:    Keyword validation string      "            text              S
     :BF:    Branch flag                    "            yes or no         S
     :J:     Joint edit flag                "            yes or no         S
     :LK:    Locked releases                "            :R: ...           S
     :Q:     User-defined keyword           "            text              S
     :M:     Module name                    "            text              S
     :FB:    Floor boundary                 "            :R:               S
     :CB:    Ceiling boundary               "            :R:               S
     :Ds:    Default SID                    "            :I:               S
     :ND:    Null delta flag                "            yes or no         S
     :FD:    File descriptive text          Comments     text              M
     :BD:    Body                           Body         text              M
     :GB:    Gotten body                    "            text              M
     :W:     A form of what string          N/A          :Z::M:\t:I:       S
     :A:     A form of what string          N/A          :Z::Y: :M: :I::Z: S
     :Z:     what string delimiter          N/A          @(#)              S
     :F:     SCCS filename                  N/A          text              S
     :PN:    SCCS file pathname             N/A          text              S

       *      :Dt:= :DT: :I: :D: :T: :P: :DS: :DP:

       **     :R:.:L:.:B:.:S: if the delta is a branch delta ( :BF:== yes)
              :R:.:L: if the delta is not a branch delta ( :BF:== no)

       ***    The line statistics are capped at 99999. For example, if  100000
              lines  were  unchanged in a certain revision, :Lu: shall produce
              the value 99999.

       The standard error shall be used only for diagnostic messages.



       The following exit values shall be returned:

        0     Successful completion.

       >0     An error occurred.


       The following sections are informative.


        1. The following example:

           prs -d "User Names for :F: are:\n:UN:" s.file

       might write to standard output:

              User Names for s.file are:

        2. The following example:

           prs -d "Delta for pgm :M:: :I: - :D: By :P:" -r s.file

       might write to standard output:

              Delta for pgm main.c: 3.7 - 77/12/01 By cas

        3. As a special case:

           prs s.file

       might write to standard output:

              <blank line>
              D 1.1 77/12/01 00:00:00 cas 1 000000/00000/00000
              this is the comment line for s.file initial delta
              <blank line>

       for each delta table entry of the D type. The only option allowed to be
       used with this special case is the -a option.



       admin , delta , get , what

       Portions  of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
       Specifications Issue 6, Copyright (C) 2001-2003  by  the  Institute  of
       Electrical  and  Electronics  Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE and
       The  Open Group Standard, the original IEEE and The Open Group Standard
       is the referee document. The original Standard can be  obtained  online
       at .

IEEE/The Open Group                  2003                               PRS(P)

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