變量是個(gè)路徑，文本替換的問(wèn)題，求指導(dǎo)

ddloveit

1. #!/bin/bash
   
2. a='/abc/def'
   
3. echo $a
   
4. x=/abc/def/123/456/1.c
   
5. y=/abc/def/234/567/2.c
   
6. c=/abc/def/345/678/3.c
   
7. #請(qǐng)問(wèn)如何用sed 和 $a，替換x=，y=,z=，后面的路徑。比如把 /abc/def改成/kkk，

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waker

sed "s#$a#/kkk#" urfile

rwx_hc

問(wèn)題實(shí)質(zhì)就是：sed中如何傳入shell變量
見(jiàn)：
http://72891.cn/thread-674903-1-1.html

Ace_kream

1. #!/bin/bash
   
2. a='/abc/def'
   
3. echo $a
   
4. x=/abc/def/123/456/1.c
   
5. y=/abc/def/234/567/2.c
   
6. c=/abc/def/345/678/3.c
   
7. 
   
8. echo $x | sed "s#$a#/kkk#"
   
9. echo $y | sed "s#$a#/kkk#"echo $c | sed "s#$a#/kkk#"
   

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