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#1
01-08-2008
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Multi File processing
Hello,
I have 2 csv files: File1: Name,year,organization Jim,2007,Org1 Bob,1999,Org3 Chris,2001,Org2 File2: DocumentName,DocumentTitle,organization,year Test1,Test1,Org1,2007 Test2,Test2,Org2,2008 Test3,Test3,Org3,2009 Using the ksh, I'm reading by line and grabbing the value in the 2nd column ($2). I want to use this value and search the second file to find a line with a match. If it is found I want to grab the value of column 1 ($1) of the second file during that read while readline do if test $i -ge 1; then echo "$line" awk '{print $1","$2}' >> File3 now use $2 to search File2 for a match if found print the value of $1 in File2 to File3 fi done < $File1 Result Jim,2007,Test1 Can anyone give me some insight as to how this can be done? thanks 
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#2
01-08-2008
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Code:
awk 'BEGIN{FS=OFS=","}
FNR==NR{arr[$2]=$1;next}
$4 in arr{print $4,arr[$4],$1}
' file1 file2
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