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Full Discussion: Compare three files based on two fields
Top Forums Shell Programming and Scripting Compare three files based on two fields Post 302748747 by pamu on Thursday 27th of December 2012 12:49:38 AM
Old 12-27-2012
Code:
$ awk -F "|" 'f==1{A[$1,$2]++;B[$1,$2]=$1 FS $2 FS FILENAME}
f==2{A[$1,$2]++;B[$1,$2]=B[$1,$2]?B[$1,$2]","FILENAME:$1 FS $2 FS FILENAME}
f==3{A[$1,$2]++;B[$1,$2]=B[$1,$2]?B[$1,$2]","FILENAME:$1 FS $2 FS FILENAME}END{
for (i in A){if(A[i]<3){print B[i]"|"}}}
' f=1 file1 f=2 file2 f=3 file3

2677|47877074|file2,file3|
2677|47877258|file1,file2|
2677|47877099|file1|
2677|47877350|file2|
2677|47877351|file1|

EDIT:

Minimized it's length lit bit..Smilie using function..Smilie

Code:
awk -F "|" 'function define_arr() {
A[$1,$2]++;
B[$1,$2]=B[$1,$2]?B[$1,$2]","FILENAME:$1 FS $2 FS FILENAME
}
f==1{define_arr()}
f==2{define_arr()}
f==3{define_arr()}
END{for (i in A){if(A[i]<3){print B[i]"|"}}}' f=1 file1 f=2 file2 f=3 file3

Last edited by pamu; 12-27-2012 at 02:11 AM..
This User Gave Thanks to pamu For This Post:
sathyaonnuix
 

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