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markdownlint-cli2-action/README.md
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# markdownlint-cli2-action
A GitHub Action to run the [`markdownlint-cli2`][markdownlint-cli2] tool
for linting [Markdown][markdown]/[CommonMark][commonmark] files with
[`markdownlint`][markdownlint]
## Inputs
### globs (optional)
Glob expression(s) of files to lint (newline-delimited)
The default `*.{md,markdown}` lints all Markdown files in the base directory
of a project.
For more detail, read about [glob syntax in `markdownlint-cli2`][glob-syntax].
## Outputs
[None]
## Examples
To lint Markdown files in the base directory of a project:
```yaml
- uses: DavidAnson/markdownlint-cli2-action@v4
```
To lint all Markdown files in a project:
```yaml
- uses: DavidAnson/markdownlint-cli2-action@v4
with:
globs: "**/*.md"
```
To lint specific Markdown files in a project:
```yaml
- uses: DavidAnson/markdownlint-cli2-action@v4
with:
globs: |
README.md
CHANGELOG.md
docs/*.md
```
To prevent linting issues from failing the workflow run:
```yaml
- uses: DavidAnson/markdownlint-cli2-action@v4
continue-on-error: true
```
See [`example.yml`][example-yml] for a simple GitHub workflow that uses
`markdownlint-cli2-action`.
[commonmark]: https://commonmark.org/
[example-yml]: .github/workflows/example.yml
[glob-syntax]: https://github.com/DavidAnson/markdownlint-cli2#use
[markdown]: https://wikipedia.org/wiki/Markdown
[markdownlint]: https://github.com/DavidAnson/markdownlint
[markdownlint-cli2]: https://github.com/DavidAnson/markdownlint-cli2