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Full Discussion: Need help in comparing multiple columns from two files.
Top Forums UNIX for Advanced & Expert Users Need help in comparing multiple columns from two files. Post 302922185 by Akshay Hegde on Thursday 23rd of October 2014 06:03:35 AM
Old 10-23-2014
Quote:
Originally Posted by sivarajb
Hi all,

I have two files as below. I need to compare field 2 of file 1 against field 1 of file 2 and field 5 of file 1 against filed 2 of file 2. If both matches , then create a result file 1 with first file data and if not matches , then create file with first fie data. Please help me in achieving this. awk 'NR=FNR{a[NR]=$0;next} { split ( a[$1],x, " ") if ( ( $2 ~ x[1] ) and ( $5 ~ x[2] ) ) { print $0 > "yes.txt"; } else { print $0 > " no.txt" } ; } file2 file1 2>> log.txt

File1 :
1234 chennai kovai 1256 blr
2331 Madras Coimbatore 3234 Bangalore
5467 Chennai city 2456 ooty

File 2:
Madras Bangalore
Chennai blr

Result file 1 :- yes.txt
1234 chennai kovai 1256 blr

Result file 2:- no.txt
2331 Madras Coimbatore 3234 Bangalore
5467 Chennai city 2456 ooty
why 2331 Madras Coimbatore 3234 Bangalore is not in yes.txt file ? What kind of comparison you are doing case sensitive or insensitive?

If its typo try this similar to the one RudiC suggusted

Code:
akshay@nio:/tmp$ cat f1
1234 chennai kovai 1256 blr
2331 Madras Coimbatore 3234 Bangalore
5467 Chennai city 2456 ooty

Code:
akshay@nio:/tmp$ cat f2
Madras Bangalore
Chennai blr

Code:
akshay@nio:/tmp$ awk 'FNR==NR{A[tolower($1 FS $2)];next}{print >sprintf("%s.txt",(tolower($2 FS $5) in A ? "yes" : "no"))}' f2 f1

Code:
akshay@nio:/tmp$ cat yes.txt 
1234 chennai kovai 1256 blr
2331 Madras Coimbatore 3234 Bangalore

Code:
akshay@nio:/tmp$ cat no.txt 
5467 Chennai city 2456 ooty

This User Gave Thanks to Akshay Hegde For This Post:
sivarajb
 

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