track-changes.sh

#!/bin/bash
# Track changes to documentation
case "$1" in
  snapshot)
    echo "Saving current state..."
    ;;
  list)
    echo "Showing snapshots..."
    ;;
  since)
    echo "Changes since $2..."
    ;;
  *)
    echo "Usage: track-changes.sh {snapshot|list|since <date>}"
    ;;
esac