# flake8 > Tool to check the style and quality of Python code. > More information: . - Lint a file or directory recursively: `flake8 {{path/to/file_or_directory}}` - Lint a file or directory recursively and show the line on which each error occurred: `flake8 --show-source {{path/to/file_or_directory}}` - Lint a file or directory recursively and ignore a list of rules. (All available rules can be found at flake8rules.com): `flake8 --ignore {{rule1,rule2}} {{path/to/file_or_directory}}` - Lint a file or directory recursively but exclude files matching the given globs or substrings: `flake8 --exclude {{substring1,glob2}} {{path/to/file_or_directory}}`