UNIX for Advanced & Expert Users

#! /bin/ksh
nol=`wc -l demo.lst | awk '{print $1}'`
count=1
while read a x y z
do
        if [[ $count -lt $nol ]]; then
                tot_x="$tot_x+$x"
                tot_y="$tot_y+$y"
                tot_z="$tot_z+$z"
                let count=$count+1
        else
                break
        fi
done < demo.lst
tot_x=`echo $tot_x | sed 's/^+//'`
tot_y=`echo $tot_y | sed 's/^+//'`
tot_z=`echo $tot_z | sed 's/^+//'`
line=`tail -1 demo.lst`
ftot_x=`echo $line | awk '{print $2}'`
ftot_y=`echo $line | awk '{print $3}'`
ftot_z=`echo $line | awk '{print $4}'`
echo "Final_Total $ftot_x-($tot_x) $ftot_y-($tot_y) $ftot_z-($tot_z)" >> spoolfile

BEGIN {
        RS=""
}
{
  for(i=1; i <= NF; i++)
        {
        array[i]=$i
        }

        sum[0]=array[14]-(array[10]+array[6]+array[2])
        sum[1]=array[15]-(array[11]+array[7]+array[3])
        sum[2]=array[16]-(array[12]+array[8]+array[4])
        print "Sum: " sum[0],sum[1],sum[2]
}
END {
        printf ("\nDone :-) ")
}

awk -f blk.awk demo.lst