sample/time.rb


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#! /usr/local/bin/ruby
cmd = $ARGV.join(" ")
b = Time.now
system(cmd)
e = Time.now
ut, st, cut, cst = Time.times
total = (e - b).to_f
printf $stderr, "%11.1f real %11.1f user %11.1f sys\n", total, cut, cst