1.进度条
#!/bin/bash
function jindu() {
while :; do
for i in {1..20}; do
echo -e "\e[5;${i}H\e[34m*\e[0m"
sleep 0.1
clear
done
for i in {20..1}; do
echo -e "\e[5;${i}H\e[33m*\e[0m"
sleep 0.1
clear
done
done
}