Taskfile.yml

version: '3'

tasks:
  benchmark:
    desc: 'Run the Go benchmark for a single task and write it to that task''s go/benchmark.txt. Usage: task benchmark -- N'
    silent: true
    cmds:
      - |
        if [ -z "{{.CLI_ARGS}}" ]; then
          echo "Usage: task benchmark -- <task number>" >&2
          exit 1
        fi

        NUM=$(printf "%03d" "{{.CLI_ARGS}}")
        DIR=$(find tasks_* -maxdepth 1 -type d -name "task_${NUM}" | head -1)

        if [ -z "$DIR" ]; then
          echo "Task ${NUM} not found (expected tasks_XXX-YYY/task_${NUM})" >&2
          exit 1
        fi

        if [ ! -d "$DIR/go" ]; then
          echo "No go/ solution found for task ${NUM} at $DIR" >&2
          exit 1
        fi

        go test "./$DIR/go" -bench=. -benchmem | cat > "$DIR/go/benchmark.txt"
        cat "$DIR/go/benchmark.txt"