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Thread: awking and grepping parts of files: the 'super diff'
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Old 07-17-2008
vgersh99's Avatar
vgersh99 vgersh99 is online now Forum Staff  
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Join Date: Feb 2005
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nawk -f jeff.awk FILENEW FILEOLD

jeff.awk:

Code:
{ idx = $1 SUBSEP $2 SUBSEP $5 SUBSEP $6 }
NR==FNR { fnew[ idx ] = $0; next }
{
   if ( !(idx in fnew) )
      $0 = $0 ORS fold[idx]
}
1

Last edited by vgersh99; 07-17-2008 at 04:30 PM..