# vale > Extensible style checker that supports multiple markup formats, such as Markdown and AsciiDoc. > More information: . - Check the style of a file: `vale {{path/to/file}}` - Check the style of a file with a specified configuration: `vale --config='{{path/to/.vale.ini}}' {{path/to/file}}` - Output the results in JSON format: `vale --output=JSON {{path/to/file}}` - Check style issues at the specific severity and higher: `vale --minAlertLevel={{suggestion|warning|error}} {{path/to/file}}` - Check the style from `stdin`, specifying markup format: `cat {{file.md}} | vale --ext=.md` - List the current configuration: `vale ls-config`