#!/bin/nawk -f BEGIN { a=0 } FILENAME==ARGV[1] { a++ res1[$1]=$1 T1[$1]=$4 dT1[$1]=$6 } END { for (i=1; i<=999; i++) { if (res1[i]!=0) { printf"%3d %10.4f %10.4f\n", res1[i], T1[i], dT1[i] } } }