[FZH] bash中如何测试子字符串？

[LI Rui Bin]

我这个命令有问题，如果$VAR本来是null的，我这样测试也会返回0
On 04/20/2010 01:04 AM, LI Rui Bin wrote:
> 翻了一下书
> 也可以 test -z ${VAR##*kde*}
> On 04/20/2010 12:33 AM, Chen Lei wrote:
>    
>> echo $VAR|grep -q kde
>>
>>
>>
>>
>> 在2010-04-20 00:26:37，"LI Rui Bin"<cheeseli在hotmail.com>   写道：
>>
>>      
>>> 我要在bash里测试一个字符串是否包含某个子串，该怎么写？比如测试 $VAR 中是
>>> 否含有 "kde" 字样
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