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-2.2.1.2	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.1	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.0	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.6	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.5	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.4	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.3	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.2	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.1	tracks/bash/exercises/leap/example.sh
trackler-2.2.0.0	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.55	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.54	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.53	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.52	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.51	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.50	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.49	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.48	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.47	tracks/bash/exercises/leap/example.sh
trackler-2.1.0.46	tracks/bash/exercises/leap/example.sh