Linux shell如何去掉文件内容中某条记录中存在的换行符

dniit

file源文件内容：
111aaa||222bbb||333ccc||444||
22asa||fdfsasd||sdfsdfadf||dddd
ssss||
333fd||sasdfdsf||ffd
fsd||aasdfsdf||
4sdfdf||sdfsdfsf||fdfds||ggggssa
esdf||
5sas||asdff||fdsf||ddfdsfasdfsd||
......


Linux shell如何去掉文件内容中某条记录中存在的换行符
每行都有固定字段数（如file有4个字段）


处理后的file文件内容要求如下：
111aaa||222bbb||333ccc||444
22asa||fdfsasd||sdfsdfadf||ddddssss
333fd||sasdfdsf||ffdfsd||aasdfsdf
4sdfdf||sdfsdfsf||fdfds||ggggssaesdf
5sas||asdff||fdsf||ddfdsfasdfsd
......

wiliiwin

你这问题不是在另外一个贴心弄过了吗  怎么又发

zerostudy

1. sed  ':1;/[a-zA-Z0-9]$/{$!N;s/\n//;b 1;}' a

复制代码

1. 
   
2. # cat a
   
3. 111aaa||222bbb||333ccc||444||
   
4. 22asa||fdfsasd||sdfsdfadf||dddd
   
5. ssss||
   
6. 333fd||sasdfdsf||ffd
   
7. fsd||aasdfsdf||
   
8. 4sdfdf||sdfsdfsf||fdfds||ggggssa
   
9. esdf||
   
10. 5sas||asdff||fdsf||ddfdsfasdfsd||
    
11. 6sdfdas||as
    
12. dff||f
    
13. dsf||dddfd
    
14. fdsfasdfsd||
    
15. 
    
16. # sed  ':1;/[a-zA-Z0-9]$/{$!N;s/\n//;b 1;}' a
    
17. 111aaa||222bbb||333ccc||444||
    
18. 22asa||fdfsasd||sdfsdfadf||ddddssss||
    
19. 333fd||sasdfdsf||ffdfsd||aasdfsdf||
    
20. 4sdfdf||sdfsdfsf||fdfds||ggggssaesdf||
    
21. 5sas||asdff||fdsf||ddfdsfasdfsd||
    
22. 6sdfdas||asdff||fdsf||dddfdfdsfasdfsd||
    

复制代码

dniit

含有中文的好像就行不了哦

例如：

111aaa||222bbb||333ccc||444||
22asa||fdfsasd||sdfsdfadf||dddd
ssss||
333fd||sasdfdsf||ffd你好，
世界fsd||aasdfsdf||
4sdfdf||sdfsdfsf||fdfds||ggggssa我们
esdf||
5sas||asdff||fdsf||ddfdsfasdfsd||
......


   

jason680

回复 4# dniit

$ awk -F'[|][|]' '{sub(FS"$","");N+=NF;if(N>6){print"";N=NF};printf $0}END{print""}' FILE
111aaa||222bbb||333ccc||444
22asa||fdfsasd||sdfsdfadf||ddddssss
333fd||sasdfdsf||ffd你好，世界fsd||aasdfsdf
4sdfdf||sdfsdfsf||fdfds||ggggssa我们esdf
5sas||asdff||fdsf||ddfdsfasdfsd

   

zerostudy

回复 4# dniit
换一下应可以了:

1. sed  ':1;/[^|]$/{$!N;s/\n//;b 1;}' a

复制代码

funexploit

1. forfun@mygentoo /tmp $ cat x.txt
   
2. 111aaa||222bbb||333ccc||444||
   
3. 22asa||fdfsasd||sdfsdfadf||dddd
   
4. ssss||
   
5. 333fd||sasdfdsf||ffd
   
6. fsd||aasdfsdf||
   
7. 4sdfdf||sdfsdfsf||fdfds||ggggssa
   
8. esdf||
   
9. 5sas||asdff||fdsf||ddfdsfasdfsd||
   
10. 111aaa||222bbb||333ccc||444||
    
11. 22asa||fdfsasd||sdfsdfadf||dddd
    
12. ssss||
    
13. 333fd||sasdfdsf||ffd你好，
    
14. 世界fsd||aasdfsdf||
    
15. 4sdfdf||sdfsdfsf||fdfds||ggggssa我们
    
16. esdf||
    
17. 5sas||asdff||fdsf||ddfdsfasdfsd||
    
18. forfun@mygentoo /tmp $ cat x.txt | tr -d '\n' | sed 's/||/||\n/g' | sed 'N;N;N;s/\n//g;s/||$//g'
    
19. 111aaa||222bbb||333ccc||444
    
20. 22asa||fdfsasd||sdfsdfadf||ddddssss
    
21. 333fd||sasdfdsf||ffdfsd||aasdfsdf
    
22. 4sdfdf||sdfsdfsf||fdfds||ggggssaesdf
    
23. 5sas||asdff||fdsf||ddfdsfasdfsd
    
24. 111aaa||222bbb||333ccc||444
    
25. 22asa||fdfsasd||sdfsdfadf||ddddssss
    
26. 333fd||sasdfdsf||ffd你好，世界fsd||aasdfsdf
    
27. 4sdfdf||sdfsdfsf||fdfds||ggggssa我们esdf
    
28. 5sas||asdff||fdsf||ddfdsfasdfsd
    
29. forfun@mygentoo /tmp $

复制代码

李满满

学生党:飘过~
Administrator@白头发 ~
$ sed  ':bk;/[^|]$/{N;s/\n//;b bk;};{s/||$//}' yhsafe.txt
111aaa||222bbb||333ccc||444
22asa||fdfsasd||sdfsdfadf||ddddssss
333fd||sasdfdsf||ffd你好，世界fsd||aasdfsdf
4sdfdf||sdfsdfsf||fdfds||ggggssa我们esdf
5sas||asdff||fdsf||ddfdsfasdfsd