countdown

A minimal countdown app. Companion code to Chapter 10 of the Modern Fortran book.

Getting started

git clone https://github.com/modern-fortran/countdown
cd countdown
make

Use

How to use:

./countdown
STOP Usage: countdown YEAR MONTH DAY

Example:

./countdown 2020 12 10
290 days, 21 hours, 24 minutes, and  7 seconds remaining until your Birthday!