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NAME | SYNOPSIS | DESCRIPTION | AUTHOR | REPORTING BUGS | COPYRIGHT | SEE ALSO | COLOPHON |
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MSGGREP(1) User Commands MSGGREP(1)
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]... [-J MSGCTXT-PATTERN]
[-K MSGID-PATTERN] [-T MSGSTR-PATTERN] [-C COMMENT-PATTERN]
[-X EXTRACTED-COMMENT-PATTERN] [-W WORKFLOW-FLAG] [-S
STICKY-FLAG]
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, or if -W is
given and its flags contain WORKFLOW-FLAG, or if -S is given and
its flags contain STICKY-FLAG.
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
-W, --workflow-flag=FLAG
select messages with FLAG
-S, --sticky-flag=FLAG
select messages with FLAG
-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
Written by Bruno Haible.
Report bugs in the bug tracker at
<https://savannah.gnu.org/projects/gettext> or by email to
<[email protected]>.
Copyright © 2001-2025 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.
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.
This page is part of the gettext (message translation) project.
Information about the project can be found at
⟨http://www.gnu.org/software/gettext/⟩. If you have a bug report
for this manual page, see
⟨http://savannah.gnu.org/projects/gettext/⟩. This page was
obtained from the tarball gettext-0.26.tar.gz fetched from
⟨https://ftp.gnu.org/gnu/gettext/⟩ on 2025-08-11. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page,
or you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a
mail to [email protected]
GNU gettext-tools 0.26 July 2025 MSGGREP(1)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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