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Another awk merge

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# 1  
Old 03-22-2011
Another awk merge
File1
Code:
 
01C6,039E,RDF1+TDEV,120(2),1507_3RAID5,33
01C8,0E46,RDF1+TDEV,200(8),1507_3RAID5,33
01D4,045E,RDF1+TDEV,8,1507_3RAID5,33
01D5,045F,RDF1+TDEV,8,1507_3RAID5,33

File2
Code:
 
01C6,AA,BB,CC
01C8,,,NN
01D5,BB,KK,
0122,GG,,

Ouput
Code:
 
01C6,039E,RDF1+TDEV,120(2),1507_3RAID5,33,AA,BB,CC
01C8,0E46,RDF1+TDEV,200(8),1507_3RAID5,33,N/A,N/A,NN
01D4,045E,RDF1+TDEV,8,1507_3RAID5,33,N/A,N/A,N/A
01D5,045F,RDF1+TDEV,8,1507_3RAID5,33,BB,KK,N/A

Append lines from file2 to lines in file1 based on 1st column ,File2 is suppose to have 4 columns ,need to replace any missing column with N/A in the
output file ,missing column 1 in file2 gets all N/A's

Thanks
# 2  
Old 03-22-2011
Try this,
Code:
awk -F"," 'NR==FNR{for(i=2;i<=NF;i++){if ($i==""){$i="N/A"}}a[$1]=$2 FS $3 FS $4;next} {if( a[$1]) {print $0 FS a[$1]} else {print $0 FS "N/A,N/A,N/A"}}' file2 file1

# 3  
Old 03-22-2011
Thanks Pravin ,,, works !
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