用wget循环获取指定url下的文件

起因：为了获取某个国外网站的模板（国外的设计师真的很赞），尝试靠wget抓取网页。其中有部分图片在js文件中标注，如下

;(function( $, window, document, undefined ) {
	
	var Customizer = function( ) {
		this.init();
	}

	Customizer.prototype = {

		patterns: [
			'assets/images/layout/bg/arches.png', 
			'assets/images/layout/bg/blu_stripes.png', 
			'assets/images/layout/bg/bright_squares.png', 
			'assets/images/layout/bg/brushed_alu.png', 
			'assets/images/layout/bg/circles.png', 
			'assets/images/layout/bg/climpek.png', 
			'assets/images/layout/bg/connect.png', 
			'assets/images/layout/bg/corrugation.png', 
			'assets/images/layout/bg/cubes.png', 
			'assets/images/layout/bg/diagonal-noise.png', 
			'assets/images/layout/bg/diagonal_striped_brick.png', 
			'assets/images/layout/bg/diamonds.png', 
			'assets/images/layout/bg/diamond_upholstery.png', 
			'assets/images/layout/bg/escheresque.png', 
			'assets/images/layout/bg/fabric_plaid.png', 
			'assets/images/layout/bg/furley_bg.png', 
			'assets/images/layout/bg/gplaypattern.png', 
			'assets/images/layout/bg/gradient_squares.png', 
			'assets/images/layout/bg/grey.png', 
......

我把中间变化的png文件名单独列成一个文件（png.list），如下

escheresque.png 
fabric_plaid.png 
furley_bg.png 
gplaypattern.png 
gradient_squares.png 
grey.png 
grilled.png 
hexellence.png 
lghtmesh.png 
light_alu.png 
light_checkered_tiles.png 
light_honeycomb.png 
littleknobs.png 
nistri.png 
noise_lines.png 
noise_pattern_with_crosslines.png 
noisy_grid.png 
norwegian_rose.png 
pineapplecut.png 
......

向公司的一个运维大牛咨询了一段shell脚本（downpng.sh），记录一下，同时与大家分享，代码如下：

#!/bin/bash
# Bash for download png file

text="png.list"
url="http://www.xxx.com/xxx/assets/images/layout/bg"
# ==============================================
# Function
# ==============================================
man {
while read line
	do
	echo -e "$line"
	wget -q $url/$line
done < $text
}

# ==============================================
# Action
# ==============================================
man

代码很简单，使用while read ，但是用非脚本语言写就很繁琐（偶是搞java的，尤其如此），看来要好好学习一下bash了。