#! /bin/bash
var1="hello"
var2="he"
#方法1
if [ ${var1:0:2} = $var2 ]
then
echo "1:include"
fi
#方法2
echo "$var1" |grep -q "$var2"
if [ $? -eq 0 ]
then
echo "2:include"
fi
#方法3
echo "$var1" |grep -q "$var2" && echo "include" ||echo "not"
#方法4
[[ "${var1/$var2/}" != "$var2" ]] && echo "include" || echo "not"
其他方法：
expr或awk的index函數
${var#...}
${var%...}
${var/.../...}
posted on 2011-03-04 15:16
xzc 閱讀(26443)
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linux/unix