GitHub action step to chart the latest number of files changed in commits using Raku

chart-files-changed.yaml

      - name: Install Text::Chart
        run: zef install Text::Chart
      - name: Chart files changed latest commits
        shell: raku {0}
        run: |
          use Text::Chart;
          my @changed-files = qx<git log --oneline --shortstat -$COMMITS>
                  .lines.grep( /file/ )
                  .map( * ~~ /$<files>=(\d+) \s+ file/ )
                  .map: +*<files>;
          say vertical(
            :max( @changed-files[0..*-2].max),
            @changed-files[0..*-2]
          );