A simple pomodoro timer that dims the screen, for macos.

silent-pomodoro.sh

## A pomodoro timer that dims the screen for resting periods ##

# Variables and constants
working=25 # Minutes until next break
resting=5 # Minutes of rest

RED='\033[0;31m'
NOC='\033[0m'

# First check if the brightness command is installed or else abort script
hash brightness 2>/dev/null || { echo -e >&2 "${RED}ERROR${NOC}: I require the 'brightness' command, so please do 'brew install brightness' so I can work with you!"; exit 1; }

while true
do
    # Working
    for (( minute=1; minute<$working; minute++ ))
    do
        echo "Minute $minute starting... after $working you rest!"
        sleep 60
    done

    # Resting
    brightness 0
    read -t $((60 * $resting)) -p "Starting $resting minute rest period (press Enter to cancel)..."
    brightness 1
    echo "Done! Let´s work!"
done