Shell計算時間差功能

Shell計算時間差功能

Shell計算時間差功能，範例如下:

time_take.sh

#!/bin/bash #Filename: time_take.sh start_time=$(date +%s)   ./sleep_sec.sh 10   end_time=$(date +%s)   diff__time=$[ $end_time - $start_time ]   printf "\n" printf "Time taken to execute commands is %d (sec)" $diff__time printf "\n"

 

參考出處:Linux Shell 腳本攻略 P 21