[問題] 在ruby下的sample的time指令

[omusico (omusico)]

請問一下這一個是用來測試執行時間嗎

time.rb


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

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推 WanCW:是的，他會印出程式執行花費的時間