BEGIN{ numSlices = -1 numMboxes = -1 fileSize = -1 } { if($1 != numSlices || $2 != numMboxes || $3 != fileSize){ print $1 " " $2 " " $3 " " $4 " " $5 " " $6 " " $7 " " $8 " " $9 " " $10 numSlices = $1 numMboxes = $2 fileSize = $3 } }