4.1.2 Output file location

`-d name'

`--default-domain=name'

Use `name.po' for output (instead of `messages.po').

`-o file'

`--output=file'

Write output to specified file (instead of `name.po' or `messages.po').

`-p dir'

`--output-dir=dir'

Output files will be placed in directory dir.

If the output file is `-' or `/dev/stdout', the output is written to standard output.