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.
If no input file is given or if it is -, standard input is read.
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.
Written by Bruno Haible.
Report bugs to <email@example.com>.
Copyright © 2001-2016 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.
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
should give you access to the complete manual.