摘要： ----------------#!/bin/bash SJK_SJ="aaa 2013/12/31"ZZSJ="bbb 2012/12/31"#这三种都可以 空格都能匹配#sed -i "s@$SJK_SJ@$ZZSJ@" aaa.data#sed -i "s|$SJK_SJ|$ZZSJ|" aaa.data#sed -i "s#$SJK_SJ#$ZZSJ#" aaa.data#这样不行#sed -i "s|2013/12/31|2012/12/31" aaa.data#这 阅读全文