写shell脚本实现倒计时的功能,用户可以输入倒计时的时间
#!/bin/base
read -p “minute:” m
read -p “second:” s
for ((Time=m*60+s;Time>0;Time–))
do
let m=Time/60
let s=Time%60
echo -n " m:m:m:s "
echo -ne “\r”
sleep 1
done
写shell脚本实现倒计时的功能,用户可以输入倒计时的时间
#!/bin/base
read -p “minute:” m
read -p “second:” s
for ((Time=m*60+s;Time>0;Time–))
do
let m=Time/60
let s=Time%60
echo -n " m:m:m:s "
echo -ne “\r”
sleep 1
done