sed 变量替换

1cpuer

a1="abc/dir1"
echo "$a1"
sed "s/$a1/mp/" 好像有问题
卢克此贴

Shell_HAT

因为变量a1里面包含斜线，所以需要在s命令里面使用其它字符，例如：

1. a1="abc/dir1"
   
2. echo /abc/dir1/test | sed "s#$a1#mp#"

复制代码

1cpuer

回复 2# Shell_HAT

# 2018-09-25 18:02:19 1537869739 !:2699:! /i/je-d/sou-d
# a1="abc/dir1";echo /abc/dir1/test | sed "s#$a1#mp#"
/mp/test
# 2018-09-25 18:02:58 1537869778 !:2700:! /i/je-d/sou-d
# a1="abc/dir1";echo /abc/dir1/test | sed "s/$a1/mp/"
sed: -e expression #1, char 14: unknown option to `s'


卡在 "/" 了