Pomodoro Timer Script

This script is a simple Pomodoro timer written in Bash. It helps you manage your work and break intervals using the Pomodoro Technique.

How It Works

The script alternates between work and break intervals:

• Work Duration: 25 minutes
• Break Duration: 5 minutes

The timer runs in an infinite loop until interrupted by the user.

Prerequisites

• A Unix-based system with Bash installed (Linux, macOS, etc.)
• Basic knowledge of command-line operations

Usage

1. Copy the Script: Copy the following script and save it as pomodoro.sh:

   #!/bin/bash
   
   # Function to convert minutes to seconds
   function convert_to_seconds() {
       echo $(( $1 * 60 ))
   }
   
   # Set timer durations
   work_duration=$(convert_to_seconds 25)
   break_duration=$(convert_to_seconds 5)
   
   # Function to handle interruptions (Ctrl+C)
   function handle_interrupt() {
       echo "Interrupt received! Stopping the pomodoro timer."
       exit 0
   }
   
   # Catch SIGINT signal (Ctrl+C) and call handle_interrupt
   trap 'handle_interrupt' SIGINT
   
   # Main loop
   while true; do
       echo "🍅 Work for 25 minutes."
       sleep $work_duration
       echo "Take a 5 minute break."
       sleep $break_duration
   done

2. Make the Script Executable: Open your terminal, navigate to the directory where pomodoro.sh is saved, and make the script executable by running:

   chmod +x pomodoro.sh

3. Run the Script: Start the Pomodoro timer by executing the script:

   ./pomodoro.sh

4. Interrupting the Timer: To stop the timer, press Ctrl+C. This will catch the SIGINT signal and call the handle_interrupt function, which stops the script gracefully.

Customizing Timer Durations

If you want to customize the work and break durations, you can modify the values in the script:

# Set timer durations (in minutes)
work_duration=$(convert_to_seconds <your_work_duration>)
break_duration=$(convert_to_seconds <your_break_duration>)

Additional Notes

This script uses a simple infinite loop (while true; do ... done) to alternate between work and break periods.

The trap command is used to handle interruptions and ensure the script exits gracefully when Ctrl+C is pressed.

Replace <your_work_duration> and <your_break_duration> with the desired number of minutes.