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tldr/pages/common/msgcat.md
Abhisek Phago limbu dba4eea7c1
msgcat: add page (#16912)
Co-authored-by: Managor <42655600+Managor@users.noreply.github.com>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
2025-06-24 21:00:36 +00:00

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# msgcat
> Concatenate and merge multiple `.po` translation files.
> Useful in software localization pipelines to combine message catalogs with filtering options.
> More information: <https://www.gnu.org/software/gettext/manual/html_node/msgcat-Invocation.html>.
- Combine multiple `.po` files into one:
`msgcat {{file1.po file2.po ...}} {{[-o|--output-file]}} {{combined.po}}`
- Combine input files listed in a text file:
`msgcat {{[-f|--files-from]}} {{path/to/file_list.txt}} {{[-o|--output-file]}} {{combined.po}}`
- Set the output encoding (e.g. UTF-8):
`msgcat {{[-t|--to-code]}} {{UTF-8}} {{input.po}} {{[-o|--output-file]}} {{output.po}}`
- Output only unique messages (appearing in one file only):
`msgcat {{[-u|--unique]}} {{file1.po file2.po ...}} {{[-o|--output-file]}} {{unique.po}}`
- Use the first available translation for duplicate entries:
`msgcat --use-first {{file1.po file2.po ...}} {{[-o|--output-file]}} {{output.po}}`
- Display help:
`msgcat {{[-h|--help]}}`