Bash script that waits for certain minutes and then sends notification - PopOS!

timer.sh

# Warning: I used ChatGPT to write this bash script

#!/bin/bash

# Check if an argument is provided
if [ -z "$1" ]; then
  echo "Please provide an integer argument."
  exit 1
fi

# Check if the argument is a valid integer
if ! [[ "$1" =~ ^[0-9]+$ ]]; then
  echo "Invalid argument. Please provide a valid integer."
  exit 1
fi

# Convert the argument to minutes
minutes="$1"

# Wait for the specified number of minutes
echo "Waiting for $minutes minute(s)..."
sleep "$((minutes * 60))"

notify-send "Timer Over" # notify-send is used to send notification

echo "Done!"