pomodoro.sh

#!/bin/bash

wseconds=${1:-25}*60
pseconds=${2:-wseconds/300}*60

# Check os and behave accordingly
if [ "$(uname)" == "Darwin" ]; then
  while true; do
    date1=$(($(date +%s) + $wseconds))
    while [ "$date1" -ge $(date +%s) ]; do
      echo -ne "$(date -u -j -f %s $(($date1 - $(date +%s))) +%H:%M:%S)\r"
    done
    osascript -e 'display notification "Time to walk and rest!" with title "Break"'
    read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n'
    date2=$(($(date +%s) + $pseconds))
    while [ "$date2" -gt $(date +%s) ]; do
      echo -ne "$(date -u -j -f %s $(($date2 - $(date +%s))) +%H:%M:%S)\r"
    done
    osascript -e 'display notification "Time to get back to work" with title "Work"'
    read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n'
  done
elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
  while true; do
    date1=$(($(date +%s) + $wseconds))
    while [ "$date1" -ge $(date +%s) ]; do
      echo -ne "$(date -u --date @$(($date1 - $(date +%s))) +%H:%M:%S)\r"
    done
    notify-send "Break" "Time to walk and rest"
    read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n'
    date2=$(($(date +%s) + $pseconds))
    while [ "$date2" -ge $(date +%s) ]; do
      echo -ne "$(date -u --date @$(($date2 - $(date +%s))) +%H:%M:%S)\r"
    done
    notify-send "Work" "Time to get back to work"
    read -n1 -rsp $'Press any key to continue or Ctrl+C to exit...\n'
  done
else
  echo -ne "Your OS is currently not supported\n"
fi