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-2.2.1.82	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.81	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.80	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.79	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.78	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.77	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.76	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.75	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.74	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.73	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.72	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.71	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.70	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.69	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.68	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.67	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.66	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.65	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.64	tracks/bash/exercises/leap/example.sh
trackler-2.2.1.63	tracks/bash/exercises/leap/example.sh