shell小练习20130116-always
写一个脚本,执行后,打印一行提示“Please input a number:",要求用户输入数值,然后打印出该数值,然后再次要求用户输入数值。直到用户输入"end"停止。#!/bin/sh
unset var
while [ "$var" != "end" ]
do
echo -p "pleas input number:"
read var
if [ "$var" == "end" ]
then
break
fi
var="$var"
done
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