do-while in Shell
2012-12-07 20:06
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做一个循环,输入次数,开始跑知识点:1.shell中i--的写法。2.如何在shell中,输入一个变量
read cyclewhile [ $cycle -ne 0 ]doecho $cyclecycle=$(($cycle-1))doneread cycle 从对话框输入一个变量值-ne 不等于 0cycle=$(($cycle-1))少写一层括号:cycle=$($cycle-1),这样写会报错。这是为什么呢?
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