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A linter for YAML files. <code>'''yamllint'''</code> does not only check for syntax validity, but for weirdness like key repetition and cosmetic problems such as lines length, trailing spaces, indentation, etc.
 
 
 
Use an online validator like https://www.yamllint.com/ or https://jsonformatter.org/yaml-validator
Of course, you should have one in your local tools and CI pipeline to ensure that your [[YAML]] is always correct. With the <code>yamllint</code>, there is both a script and a Python module; meaning you can write your own linting tool in Python by invoking (importing) the yamllint module<ref>https://yamllint.readthedocs.io/en/stable/development.html</ref>. See the caveat section below about "using the right tool for the job" - meaning use the right linter for the language/project you are linting.
{{Notice|If you have a <tt>.yamllint</tt> file in your working directory, it will be automatically loaded as configuration by yamllint.}}

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