# rubocop > Lint Ruby files. > More information: . - Check all files in the current directory (including subdirectories): `rubocop` - Check one or more specific files or directories: `rubocop {{path/to/file_or_directory1 path/to/file_or_directory2 ...}}` - Write output to file: `rubocop --out {{path/to/file}}` - View list of cops (linter rules): `rubocop --show-cops` - Exclude a cop: `rubocop --except {{cop1 cop2 ...}}` - Run only specified cops: `rubocop --only {{cop1 cop2 ...}}` - Auto-correct files (experimental): `rubocop --auto-correct`