Section: User Commands (1)
Updated: July 2020
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msgfilter - edit translations of message catalog  


msgfilter [,OPTION/] ,FILTER /[,FILTER-OPTION/]  


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 <>.  


Copyright © 2001-2020 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.



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: