#!/bin/sh for i in {0..300} do item=$(printf %04d $i) # https://static.getty.edu/mesopotamia/lion-render-10fps-873-rev1 # http://www.cncis.com.cn/tips/nanjing/yrzh/img/canvas/jcyy url="http://www.cncis.com.cn/tips/nanjing/yrzh/img/canvas_p/rsy/$item.webp" curl $url --output ./public/img/canvas/rsy_mo/$item.webp echo $url done