File Lint [docker action]

Lint various files in many ways (CR / CRLF / trailing \n / etc)

To save space in workflow files, its possible to use the matrix to run this job multiple times with a different command.

Adapted from cytopia/awesome-ci.

The latest version available for this action is 7728686b. It was last updated on Fri Feb 27 2026.

Inputs

command

The specific command to be run.

Available Commands

• cr: Scan files and check if they contain CR (Carriage Return only).
• crlf: Scan files and check if they contain CRLF (Windows Line Feeds).
• empty: Scan files and check if they are empty (0 bytes).
• nullbyte-char: Scan files and check if they contain a null-byte character (\x00).
• trailing-newline: Scan files and check if they contain a trailing newline.
• trailing-single-newline: Scan files and check if they contain exactly one trailing newline.
• trailing-space: Scan files and check if they contain trailing white spaces.
• utf8: Scan files and check if they have a non UTF-8 encoding.

• utf8-bom: Scan files and check if they contain BOM (Byte Order Mark): <U+FEFF>.

• required: true
• default: null

path

The path to the repository that will be checked. Defaults to the location of actions/checkout default path.

• required: false
• default: /github/workspace

ignore

List of paths to be ignored

• required: false
• default: .git/,.png,.jpg,.jpeg,.ico,*.svg

Examples

As a step in pre-existing job.

• uses: actions/checkout@master
• … other steps
• uses: dogmatic69/actions@7728686b with: command: foobar

This simple job example has the bare minimum required to run.

file-lint: name: File Lint runs-on: ubuntu-latest steps: - uses: actions/checkout@master - uses: dogmatic69/actions@7728686b with: command: foobar

This example has all possible inputs, with dummy data.

file-lint: name: File Lint runs-on: ubuntu-latest steps: - uses: actions/checkout@master - uses: dogmatic69/actions@7728686b with: command: foobar path: foobar ignore: foobar