awk should output if one input file doesnt have matching key


 
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# 1  
Old 05-06-2009
awk should output if one input file doesnt have matching key

Code:
nawk -F, 'FNR==NR{a[$1]= $3 ;next} $2 in a{print $1, 'Person',$2, a[$2]}' OFS=, filea fileb

Input filea
Quote:
Name,state,zip
david,va,25458
radha,tx,25254
vince,ny,25845
Input fileb
Quote:
id,Name
21,david
25,david
22,radha
23,surender
24,vince


output i am getting :
Quote:
output i am getting:
21,,david,25458
25,,david,25458
22,,radha,25254
24,,vince,25845

Quote:
Output wanted:
21,Person,david,25458
25,Person,david,25458
22,Person,radha,25254
23,Person,surender,
24,Person,vince,25845
# 2  
Old 05-07-2009
Try this:

Code:
awk -F "," 'FNR==NR && NR>1{a[$1]=$3;next}FNR>1{if ($2 in a)print $1,"Person",$2,a[$2]; else print $1,"Person",$2 OFS}' OFS="," filea fileb


cheers,
Devaraj Takhellambam
# 3  
Old 05-07-2009
Quote:
Originally Posted by devtakh
Try this:

Code:
awk -F "," 'FNR==NR && NR>1{a[$1]=$3;next}FNR>1{if ($2 in a)print $1,"Person",$2,a[$2]; else print $1,"Person",$2 OFS}' OFS="," filea fileb


cheers,
Devaraj Takhellambam

Thank you sir
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