This is a neat little program that remind you to practice the 202020 rule which is:

• Every 20min, look 20 feet away for 20 seconds.

• setup:

  1. pip install osascript
  2. chmod +x 202020.py
  3. crontab -e
  4. add this: */20 * * * * /usr/local/bin/python3 /path/to/202020.py
  5. save by typing :wq