usage: yamllint [-h] [-] [-c CONFIG_FILE | -d CONFIG_DATA] [--list-files]
                [-f {parsable,standard,colored,github,auto}] [-s] [--no-warnings] [-v]
                [FILE_OR_DIR ...]

A linter for YAML files. yamllint does not only check for syntax validity, but for weirdnesses
like key repetition and cosmetic problems such as lines length, trailing spaces, indentation, etc.

positional arguments:
  FILE_OR_DIR           files to check

options:
  -h, --help            show this help message and exit
  -                     read from standard input
  -c, --config-file CONFIG_FILE
                        path to a custom configuration
  -d, --config-data CONFIG_DATA
                        custom configuration (as YAML source)
  --list-files          list files to lint and exit
  -f, --format {parsable,standard,colored,github,auto}
                        format for parsing output
  -s, --strict          return non-zero exit code on warnings as well as errors
  --no-warnings         output only error level problems
  -v, --version         show program's version number and exit