sayit

来自「UNIX+shell范例精解（第4版）代码」· 代码 · 共 15 行

#!/bin/bash
# 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 [[ $word == [Qq] ]] 		                   
   then         # [ "$word" = q -o "$word" = Q ]  Old style
		echo "I'll always love you!"
		go=
	fi
done