sayit

UNIX+shell范例精解（第4版）代码

#!/bin/sh
# Scriptname: sayit
echo Type q to quit.
go=start
while [ -n "$go" ]	   # Make sure to double quote the variable 
do
	echo -n I love you.
	read word
	if [ "$word" = q -o "$word" = Q ]
	then
		    echo "I'll always love you!"
		    go=
	fi
done