UNIX for Dummies Questions & Answers

file1

- a b
a 1 2
b 3 4

file2

- a b
a 5 6
b 7 8

- a b
a 5 12
b 21 32

awk '
FNR==NR {
for(i=1; i<=NF; i++)
_[FNR,i]=$i
next
}
{
for(i=1; i<=NF; i++)
printf("%d%s", $i*_[FNR,i], (i==NF) ? "\n" : FS);
}' file1 file2

awk     'FNR==NR        {for(i=1; i<=NF; i++) T[FNR,i]=$i; next}
         FNR==1         {print; next}
                        {printf "%s%s", $1, FS
                         for(i=2; i<=NF; i++) printf("%2.0f%s", $i*T[FNR,i], (i==NF) ? "\n" : FS);
                        }
        ' file1 file2
- a b
a  5 12
b 21 32