Mean 147 B

12345
  1. #!/bin/rc
  2. sed 's/[sur]//g' $* |
  3. awk 'BEGIN{u=0.0; s=0.0; t=0.0}
  4. {u += $1; s += $2; t += $3}
  5. END{printf("times %g %g %g\n", u/NR, s/NR, t/NR);}'