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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

       --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 to <bug-gnu-gettext@gnu.org>.

COPYRIGHT

       Copyright © 2001-2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or
       later <http://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.