sed求助！！！！

muzx

(SCO UNIX)

1. awk -F':' 'BEGIN{OFS=":"}{$4="11/14/46";print $0}' filename
   
2. Popeye Sailor:156-454-3322:945 Bluto Street, Anywhere, USA 29358:11/14/46:22350

复制代码

muzx

http://www.chinaunix.net/forum/viewtopic.php?t=61821

muzx

SCO UNIX sed:

1. cat filename
   
2. Popeye Sailor:156-454-3322:945 Bluto Street, Anywhere, USA 29358:3/19/35:22350
   
3. 
   
4. sed 's|\(Popeye..*:\)\([0-9]\{1,2\}/[0-9]\{1,2\}/[0-9]\{1,2\}\)\(:.*\)|\111/14/46\3|' filename
   
5. 
   
6. Popeye Sailor:156-454-3322:945 Bluto Street, Anywhere, USA 29358:11/14/46:22350
   

复制代码

muzx

为了日期格式通用稍作如下修订：

1. sed 's|\(Popeye..*:\)\([0-9]\{1,2\}/[0-9]\{1,2\}/[0-9]\{2,4\}\)\(:.*\)|\111/14/46\3|'  filename

复制代码

muzx

原帖由 "woodie" 发表：

sed代码看上去还是有点乱，用awk做更好些。

   
嗯:简练!