如何去掉指定行的换行符

Eva326

文件是
@T0001:1 PPPP  PPP
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
EEEEEEEEEEEEEEEEEEEEEEEEEEEE
@T0001:2 OOO II PPP
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
QQQQQQQQQQQQQ
QQQQQQQQ


请教如何合并@后的行成一行？转成：
@T0001:1 PPPP  PPP
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEEEEEEEEEEEEEEE
@T0001:2 OOO II PPP
QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

多谢！

moperyblue

1. sed '/@/b;:a;N;//!s/\n//;ta'

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Eva326

多行合并的话貌似不行了

moperyblue

回复 3# Eva326


多少行? 具体数据格式怎么样? 测试数据有木有?

Eva326

回复 4# moperyblue

问题重新编辑了 多谢！

moperyblue

回复 5# Eva326

1. sed '/@/b;:a;N;/@/!s/\n//;ta'

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sunzhiguolu

判断一下开头是不是 @ 起始的行, 如果不是直接删除换行符就行了

Eva326

回复 7# sunzhiguolu

赞！好思路，多谢！

zy86416779

1. [root@study tmp]# cat 1.txt
   
2. @T0001:1 PPPP  PPP
   
3. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
   
4. BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
   
5. CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
   
6. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
   
7. EEEEEEEEEEEEEEEEEEEEEEEEEEEE
   
8. @T0001:2 OOO II PPP
   
9. QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
   
10. QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
    
11. QQQQQQQQQQQQQ
    
12. QQQQQQQQ
    
13. [root@study tmp]# cat paste.awk
    
14. /@T000/{
    
15.   printf "\n"
    
16.   print $0
    
17.   next
    
18. }
    
19. {
    
20.   printf $0
    
21. }
    
22. END{printf "\n"}
    
23. [root@study tmp]# awk -f paste.awk 1.txt     
    
24. 
    
25. @T0001:1 PPPP  PPP
    
26. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEEEEEEEEEEEEEEE
    
27. @T0001:2 OOO II PPP
    
28. QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

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zy86416779

1. [root@study tmp]# cat 1.txt
   
2. @T0001:1 PPPP  PPP
   
3. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
   
4. BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
   
5. CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
   
6. DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
   
7. EEEEEEEEEEEEEEEEEEEEEEEEEEEE
   
8. @T0001:2 OOO II PPP
   
9. QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
   
10. QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ
    
11. QQQQQQQQQQQQQ
    
12. QQQQQQQQ
    
13. [root@study tmp]# cat paste.awk
    
14. /@T000/{
    
15.   printf "\n"
    
16.   print $0
    
17.   next
    
18. }
    
19. {
    
20.   printf $0
    
21. }
    
22. END{printf "\n"}
    
23. [root@study tmp]# awk -f paste.awk 1.txt     
    
24. 
    
25. @T0001:1 PPPP  PPP
    
26. AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDEEEEEEEEEEEEEEEEEEEEEEEEEEEE
    
27. @T0001:2 OOO II PPP
    
28. QQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQ

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