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MSGGREP(1)                       User Commands                      MSGGREP(1)

NAME
       msggrep - pattern matching on message catalog

SYNOPSIS
       msggrep [OPTION] [INPUTFILE]

DESCRIPTION
       Extracts all messages of a translation catalog that match a given
       pattern or belong to some given source files.

       Mandatory arguments to long options are mandatory for short options
       too.

   Input file location:
       INPUTFILE
              input PO file

       -D, --directory=DIRECTORY
              add DIRECTORY to list for input files search

       If no input file is given or if it is -, standard input is read.

   Output file location:
       -o, --output-file=FILE
              write output to specified file

       The results are written to standard output if no output file is
       specified or if it is -.

   Message selection:
              [-N SOURCEFILE]... [-M DOMAINNAME]...  [-J MSGCTXT-PATTERN] [-K
              MSGID-PATTERN] [-T MSGSTR-PATTERN] [-C COMMENT-PATTERN] [-X
              EXTRACTED-COMMENT-PATTERN]

       A message is selected if it comes from one of the specified source
       files, or if it comes from one of the specified domains, or if -J is
       given and its context (msgctxt) matches MSGCTXT-PATTERN, or if -K is
       given and its key (msgid or msgid_plural) matches MSGID-PATTERN, or if
       -T is given and its translation (msgstr) matches MSGSTR-PATTERN, or if
       -C is given and the translator's comment matches COMMENT-PATTERN, or if
       -X is given and the extracted comment matches
       EXTRACTED-COMMENT-PATTERN.

       When more than one selection criterion is specified, the set of
       selected messages is the union of the selected messages of each
       criterion.

       MSGCTXT-PATTERN or MSGID-PATTERN or MSGSTR-PATTERN or COMMENT-PATTERN
       or EXTRACTED-COMMENT-PATTERN syntax:

              [-E | -F] [-e PATTERN | -f FILE]...

       PATTERNs are basic regular expressions by default, or extended regular
       expressions if -E is given, or fixed strings if -F is given.

       -N, --location=SOURCEFILE
              select messages extracted from SOURCEFILE

       -M, --domain=DOMAINNAME
              select messages belonging to domain DOMAINNAME

       -J, --msgctxt
              start of patterns for the msgctxt

       -K, --msgid
              start of patterns for the msgid

       -T, --msgstr
              start of patterns for the msgstr

       -C, --comment
              start of patterns for the translator's comment

       -X, --extracted-comment
              start of patterns for the extracted comment

       -E, --extended-regexp
              PATTERN is an extended regular expression

       -F, --fixed-strings
              PATTERN is a set of newline-separated strings

       -e, --regexp=PATTERN
              use PATTERN as a regular expression

       -f, --file=FILE
              obtain PATTERN from FILE

       -i, --ignore-case
              ignore case distinctions

       -v, --invert-match
              output only the messages that do not match any selection
              criterion

   Input file syntax:
       -P, --properties-input
              input file is in Java .properties syntax

       --stringtable-input
              input file is in NeXTstep/GNUstep .strings syntax

   Output details:
       --color
              use colors and other text attributes always

       --color=WHEN
              use colors and other text attributes if WHEN.  WHEN may be
              'always', 'never', 'auto', or 'html'.

       --style=STYLEFILE
              specify CSS style rule file for --color

       --no-escape
              do not use C escapes in output (default)

       --escape
              use C escapes in output, no extended chars

       --force-po
              write PO file even if empty

       --indent
              indented output style

       --no-location
              suppress '#: filename:line' lines

       -n, --add-location
              preserve '#: filename:line' lines (default)

       --strict
              strict Uniforum output style

       -p, --properties-output
              write out a Java .properties file

       --stringtable-output
              write out a NeXTstep/GNUstep .strings file

       -w, --width=NUMBER
              set output page width

       --no-wrap
              do not break long message lines, longer than the output page
              width, into several lines

       --sort-output
              generate sorted output

       --sort-by-file
              sort output by file location

   Informative output:
       -h, --help
              display this help and exit

       -V, --version
              output version information and exit

AUTHOR
       Written by Bruno Haible.

REPORTING BUGS
       Report bugs in the bug tracker at
       <https://savannah.gnu.org/projects/gettext> or by email to
       <bug-gettext@gnu.org>.

COPYRIGHT
       Copyright (C) 2001-2022 Free Software Foundation, Inc.  License GPLv3+:
       GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
       This is free software: you are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       The full documentation for msggrep is maintained as a Texinfo manual.
       If the info and msggrep programs are properly installed at your site,
       the command

              info msggrep

       should give you access to the complete manual.

GNU gettext-tools 0.21.1         October 2022                       MSGGREP(1)