Input file location:

-i, --input=,INPUTFILE/

input PO file

-D, --directory=,DIRECTORY/

add DIRECTORY to list for input files search

Output file location:

-o, --output-file=,FILE/

write output to specified file

Filter input and output:

--newline

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

--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)

-E, --escape

use C escapes in output, no extended chars

--force-po

write PO file even if empty

--indent

indented output style

--keep-header

keep header entry unmodified, don't filter it

--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

-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