| msggrep - pattern matching on message catalog | 
| msggrep [OPTION] [INPUTFILE] | 
| 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]... [-K MSGID-PATTERN] [-T MSGSTR-PATTERN] [-C 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 -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. | 
| When more than one selection criterion is specified, the set of selected messages is the union of the selected messages of each criterion. | 
| MSGID-PATTERN or MSGSTR-PATTERN or 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 | 
| -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 | 
| -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 | 
| 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: | 
| --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 | 
| Written by Bruno Haible. | 
| Report bugs to <bug-gnu-gettext@gnu.org>. | 
| Copyright 2001-2005 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | 
| 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. |