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Old 05-14-2008
era era is offline
Herder of Useless Cats
  

Join Date: Mar 2008
Location: /there/is/only/bin/sh
Posts: 3,650
This is a FAQ, search the forums for NR==FNR

Code:
awk 'NR==FNR { b[$1 $2] = $3 ; next }
{ if (b[$1 $2]) $3 = b[$1 $2]; print  }' file2.txt file1.txt
Last edited by era; 05-14-2008 at 07:59 AM. Reason: Changed the logic slightly
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