shell安装进度脚本

#!/bin/bash

b=''

i=0

while [ $i -le 100 ]

do

printf "Mysql install :[ %-50s ]%d%%\r" $b $i

if [ $i -le "60" ]

then

sleep 0.03

echo; echo "Install httpd"

fi

sleep 0.01

i=`expr 2 + $i`

b=#$b

done

echo ; echo -e "\033[31m OK \033[0m"