# uncrustify > C, C++, C#, D, Java and Pawn source code formatter. > More information: . - Format a single file: `uncrustify -f {{path/to/file.cpp}} -o {{path/to/output.cpp}}` - Read filenames from `stdin`, and take backups before writing output back to the original filepaths: `find . -name "*.cpp" | uncrustify -F - --replace` - Don't make backups (useful if files are under version control): `find . -name "*.cpp" | uncrustify -F - --no-backup` - Use a custom configuration file and write the result to `stdout`: `uncrustify -c {{path/to/uncrustify.cfg}} -f {{path/to/file.cpp}}` - Explicitly set a configuration variable's value: `uncrustify --set {{option}}={{value}}` - Generate a new configuration file: `uncrustify --update-config -o {{path/to/new.cfg}}`