shell腳本實現進度條程序

1.實現效果

 

2.shell腳本

#!/bin/bash
i=0
bar=''
index=0
arr=( "|" "/" "-" "\\" )
echo "數據分發中......"
while [ $i -le 100 ]
do
    let index=index%4
    printf "[%-100s][%d%%][\e[43;46;1m%c\e[0m]\r" "$bar" "$i" "${arr[$index]}"
    let i++
    let index++
    sleep $(($RANDOM%3))
    #sleep 0.1
    bar+='='
done
printf "\n"
printf "數據分發完成.\n"