# stylua > An opinionated Lua code formatter. > More information: . - Auto-format a file or an entire directory: `stylua {{path/to/file_or_directory}}` - Check if a specific file has been formatted: `stylua --check {{path/to/file}}` - Run with a specific configuration file: `stylua --config-path {{path/to/config_file}} {{path/to/file}}` - Format code from `stdin` and output to `stdout`: `stylua - < {{path/to/file.lua}}` - Format a file or directory using spaces and preferring single quotes: `stylua --indent-type {{Spaces}} --quote-style {{AutoPreferSingle}} {{path/to/file_or_directory}}`