Console pomodoro

Timer

#!/bin/bash
echo -n "How many minutes would you like the timer to run? "
read limit
echo
echo "Timing $limit minutes..."
echo
counter=0
while [ $counter != $limit ]; do
   let "remain = $limit - $counter";
   let "slice = $remain%5"
   printf "\r$remain minutes left...\n";
   if [[ "$slice" -eq "0" ]]; then
      notify-send "Pomidorka" "$remain minutes left...";
   fi
   sleep 60
   let "counter = $counter + 1"
done
if [ $counter = $limit ]; then
   echo
   echo "Time's up - $counter minutes have elapsed!"
   notify-send "Pomidorka" "Time's up - $counter minutes have elapsed!"
   echo -e '\a' >&2
   exit 0
fi