shell 中的 if-elif-else 语句使用实例

#!/bin/sh
#shellThird.sh
# to show the method of if
echo -n "Enter the first integer:"
read First
echo -n "Enter the second integer:"
read Second
if [ "$First" -gt "$Second" ]
then
echo "$First is greater than $Second"
elif [ "$Second" -gt "$First" ]
then
echo "$Second is greater than $First"
else
echo "$First is equal to $Second"
fi