monthcheck.sh

Solaris环境下Shell编程编程

#!/bin/sh

# Script name: monthcheck.sh

mth=`date +%m`

if [ "$mth" -eq 02 ]
then
	echo "February usually has 28 days."
	echo "If it is a leap year, it has 29 days."
elif [ \( "$mth" -eq 04 \) -o \( "$mth" -eq 06 \) -o \
	\( "$mth" -eq 09 \) -o \( "$mth" -eq 11 \) ]
then 
	echo "The current month has 30 days."
else
	echo "The current month has 31 days."
fi