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  #5 (permalink)  
Old 10-10-2008
jisha jisha is offline
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Join Date: Jan 2008
Location: Bangalore,India
Posts: 144
I have been trying with this command
awk 'NR==FNR{_[NR]=$0;next;}{$1=_[FNR];print}' file1 file2

but i donot know how exactly this works. And it is printing only fileA rows. i don know where to tune it.