shell 进度条

#! /bin/bash

total_steps=100

for ((step=1; step<=total_steps; step++)); do
    printf "\rProgress: [%-50s] %d%%" $(printf "#%.0s" $(seq 1 $((step*50/total_steps)))) "$((step*100/total_steps))"
    sleep 0.1 # 模拟操作延迟
done
printf "\n"