方法1:
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#!/bin/bashxcn=(i am xcn teacher welcome to xcn training class)for word in ${xcn[*]}
do if [ ${#word} -le 6 ]
then
echo $word
fi
done执行结果：[root@slave ~]# sh test2.sh
iamxcntoxcnclass |
方法2：
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#!/bin/bashxcn=(i am xcn teacher welcome to xcn training class)for ((i=0;i<${#xcn[*]};i++))
do if [ ${#xcn[$i]} -le 6 ]
then
echo ${xcn[$i]}
fi
done执行结果：[root@slave ~]# sh test3.sh
iamxcntoxcnclass |
方法3：
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#!/bin/bashchars="i am xcn teacher welcome to xcn training class"
for n in $chars
do if [ ${#n} -le 6 ]
then
echo $n
fi
done执行结果：[root@slave ~]# sh test4.sh
iamxcntoxcnclass |
本文转自 baishuchao 51CTO博客，原文链接:http://blog.51cto.com/baishuchao/1944172