UNIX for Dummies Questions & Answers

for file in *; 
do 
awk -F"\t" '{a1+=$1}{a2+=$2}{a3+=$3} {a4+=$4}{a5+=$5} {a6+=$6} {a7+=$7} {a8+=$8}  {a9+=$9} {a10+=$10} {a11+=$11} {a12+=$12} {a13+=$13} {a14+=$14} {a15+=$15} {a16+=$16}  END 
	{print FILENAME, "\t"a1/(NR), "\t"a2/(NR), "\t"a3/NR, "\t"a4/NR, "\t"a5/NR, "\t"a6/NR, "\t"a7/NR, "\t"a8/NR, "\t"a9/NR, "\t"a10/NR,"\t"a11/NR,"\t"a12/NR,"\t"a13/NR,"\t"a14/NR, "\t"a15/NR,"\t"a16/NR}' 
	$file >> /Users/calitiggr/Desktop/S/S-$i
done

for file in *; 
do
  awk -F '\t' '{for (i=1;i<=NF;i++) a[i]+=$i} END {printf FILENAME; for (i=1;i<=NF;i++) printf FS a[i]/NR;print ""}' "$file" >> /Users/calitiggr/Desktop/S/S-$i
done

awk -F '\t' 'function result() {printf f; for (i=1;i<=NF;i++) printf FS a[i]/p;print ""} 
             NR>1&&FNR==1{result()}{for (i=1;i<=NF;i++) a[i]+=$i;p=NR;f=FILENAME} END {result()}' * > /Users/calitiggr/Desktop/S/S-$i