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  #1 (permalink)  
Old 07-23-2008
rakeshou rakeshou is offline
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Join Date: May 2007
Posts: 75
Thumbs up Finding Last occurance of another pattern when a pattern is found.

Hi,

I have two files viz,

rak1:
$ cat rak1
Quote:
#this is test

[section1]
PMAN 2
ZMAN 4

[section2]
xxx 0
NOP 6

[section 3]
PMAN 1
ZMAN 8
rak2:

$ cat rak2
Quote:
#this is test

[section1]
PMAN 2
ZMAN 9

[section2]

xxx 0
NOTA 5
TOCN 8






[section 3]
PMAN 1
Code:
sdiff rak1 rak2
returns:

Quote:
$ sdiff rak1 rak2
#this is test #this is test

[section1] [section1]
PMAN 2 PMAN 2
ZMAN 4 | ZMAN 9

[section2] [section2]
>
xxx 0 xxx 0
NOP 6 | NOTA 5
> TOCN 8

>
>
>
>
>
[section 3] [section 3]
PMAN 1 PMAN 1
ZMAN 8 <
I want the lines that got modified, changed, or deleted preceding with the section they are in.

I have done this so far:

Quote:
$ sdiff rak1 rak2 | sed 's/ //g' | grep -n "." | egrep -e "\||<|>" | sed '/>$/d'
5:ZMAN 4 |ZMAN 9
10:NOP 6 |NOTA 5
11:>TOCN 8
20:ZMAN 8 <
but I dont know how to put section in front of the changed,added or deleted lines.

Also it would be appreciated if the output could be printed as

[section X] <valInFile1/valInFile2> <valInFile1/valInFile2>
and so on.



Please Help me out
 

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