monthcheck.ksh

Solaris环境下Shell编程编程

#!/bin/ksh

# Script name: monthcheck.ksh

mth=$(date +%m)

if (( mth == 2 ))
then
	echo "February usually has 28 days."
	echo "If it is a leap year, it has 29 days."
elif [[ $mth = @(04|06|09|11) ]] 
then 
	echo "The current month has 30 days."
else
	echo "The current month has 31 days."
fi