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rubocop

Lint Ruby files.

More information.

Check all files in the current directory (including subdirectories):

rubocop

Check one or more specific files or directories:

rubocop {path/to/file} {path/to/directory}

Write output to file:

rubocop --out {path/to/file}

View list of cops (linter rules):

rubocop --show-cops

Exclude a cop:

rubocop --except {cop_1} {cop_2}

Run only specified cops:

rubocop --only {cop_1} {cop_2}

Auto-correct files (experimental):

rubocop --auto-correct

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