Contents

#!/bin/bash

function usage() {
	echo "Usage: leap.sh <year>" >&2
	exit 1
}

# check number of params
if  [ "$#" != 1 ]; then
	usage
fi

# check param is an integer
if ! [[ $1 =~ ^[0-9]+$ ]]; then
	usage
fi

if [ $(($1 % 4)) == 0 ] \
	&& [ $(($1 % 100)) != 0 ] \
	|| [ $(($1 % 400)) == 0 ]; then
	echo "This is a leap year."
else
	echo "This is not a leap year."
fi

Version data entries

300 entries across 300 versions & 1 rubygems

Version	Path
trackler-2.2.1.42	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.41	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.40	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.39	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.38	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.37	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.36	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.35	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.34	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.33	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.32	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.31	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.30	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.29	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.28	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.27	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.26	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.25	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.24	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.23	tracks/bash/exercises/leap/example.sh