trailing-commas.yml

# trailing-commas verifies that *.txt files do not contain lines with trailing commas.
name: trailing-commas
on: pull_request
jobs:
  check-trailing-commas:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Ensure no trailing commas in *.txt files
      run: |
        # Get list of .txt files
        FILES=$(git ls-files | grep "\.txt$")

        # Check each file for trailing commas and fail if any are found
        for FILE in $FILES; do
          if grep -qE ",$" "$FILE"; then
            echo "Trailing comma found in $FILE"
            exit 1
          fi
        done

        echo "No trailing commas found in .txt files."