Reminder to rest your eyes

rest-eyes-notifier-mac.sh

# Description: This script sets up a cron job to remind you to rest your eyes every 30 minutes
# you should take your eyes off the screen, focus on a distant object for 20 seconds
#This will help prevent eye strain and dryness.

#Check if Homebrew is installed
if test ! $(which brew); then
  echo "Installing Homebrew..."
    /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
fi


# Check if terminal-notifier is installed
if test ! $(which terminal-notifier); then
  echo "Installing terminal-notifier..."
  brew install terminal-notifier
fi

TERMINAL_NOTIFIER=`which terminal-notifier` # cron doesn't know about $PATH, so we need to specify the full path
TITLE="Break Focus" # Title of the notification
MESSAGE="Rest your eyes for 20 seconds" # Message of the notification
SOUND="Ping" # Sound of the notification (see "Sounds" tab in Notification Center Preferences)
MINUTES=30 # Minutes between notifications

#We will use crontab to schedule the notifications. More about crontab here: http://en.wikipedia.org/wiki/Crontab
crontab -l | { cat; echo "*/$MINUTES * * * * $TERMINAL_NOTIFIER -title \"$TITLE\" -message \"$MESSAGE\" -sound \"$SOUND\" >/tmp/eye-stdout.log 2>/tmp/eye-stderr.log"; } | crontab -

#In case of any errors, you can check the log files:
# cat /tmp/eye-stdout.log
# cat /tmp/eye-stderr.log

#You can check the list of cron jobs with the following command:
# crontab -l

#To see the list of available sounds, run the following command:
# ls /System/Library/Sounds

#To edit the cron jobs, run the following command:
# crontab -e

# To remove the cron job, run the following command:
# crontab -l | grep -v $(which terminal-notifier) | crontab -