msgfilter - edit translations of message catalog

NAME  SYNOPSIS  DESCRIPTION  Input file location:  Output file location:  Filter input and output:  Useful FILTER-OPTIONs when the FILTER is ’sed’:  Input file syntax:  Output details:  Informative output:  AUTHOR  REPORTING BUGS  COPYRIGHT  SEE ALSO 


msgfilter − edit translations of message catalog




Applies a filter to all translations of a translation catalog.

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

Input file location:

−i, −−input=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 −.

The FILTER can be any program that reads a translation from standard input and writes a modified translation to standard output.

Filter input and output:


add a newline at the end of input and remove a newline from the end of output

Useful FILTER-OPTIONs when the FILTER is ’sed’:

−e, −−expression=SCRIPT

add SCRIPT to the commands to be executed

−f, −−file=SCRIPTFILE

add the contents of SCRIPTFILE to the commands to be executed

−n, −−quiet, −−silent

suppress automatic printing of pattern space

Input file syntax:

−P, −−properties−input

input file is in Java .properties syntax


input file is in NeXTstep/GNUstep .strings syntax

Output details:


use colors and other text attributes always


use colors and other text attributes if WHEN. WHEN may be ’always’, ’never’, ’auto’, or ’html’.


specify CSS style rule file for −−color


do not use C escapes in output (default)

−E, −−escape

use C escapes in output, no extended chars


write PO file even if empty


indented output style


keep header entry unmodified, don’t filter it


suppress ’#: filename:line’ lines

−n, −−add−location

preserve ’#: filename:line’ lines (default)


strict Uniforum output style

−p, −−properties−output

write out a Java .properties file


write out a NeXTstep/GNUstep .strings file

−w, −−width=NUMBER

set output page width


do not break long message lines, longer than the output page width, into several lines

−s, −−sort−output

generate sorted output

−F, −−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 <> or by email to <bug−[email protected]>.


Copyright © 2001−2023 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <>
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 msgfilter is maintained as a Texinfo manual. If the info and msgfilter programs are properly installed at your site, the command

info msgfilter

should give you access to the complete manual.

Updated 2024-01-29 - |