通过递增URL和下载 [英] Incrementing Through URLs and Downloading

问题描述

我只想说递增一个URL一个数字和下载从那里把信息的简单浏览器的自动化。例如，如果地址是这样的：

I would just like a simple browser automation that increments one number in a URL and downloads the information from that place. For example, if the address looks like this:

www.test.com/something/part1_0.jpg

www.test.com/something/part1_0.jpg

我怎么能递增'1'和下载从每个连续的网页文件？

How could I increment the '1' and download the file from each successive web page?

感谢

P.S。我使用的是OS X 10.9

P.S. I'm using OS X 10.9

推荐答案

下面是一个使用的开放式URI ：

require 'open-uri'

(1..100).each do |num|                                          
  File.open("part#{num}_0.jpg", 'wb') do |f|
    f.write open("www.test.com/something/part#{num}_0.jpg").read 
  end
end

这个片断A）创建了一个数字范围; B）在号码范围迭代; C）以二进制方式打开图像文件，内插的当前数量到文件名;和D）读取URL中的图像，并将其写入。

This snippet A) creates a range of numbers; B) iterates over the range of numbers; C) opens an image file in binary mode and interpolates the current number into the file name; and D) reads the image from the URL and writes it.

但最简单的方法很可能是使用卷曲从​​你的命令行：

But the easiest way would probably be to use curl from your command line:

curl -O www.test.com/something/part[1-100]_0.jpg

根据所需要访问的网页的数量，修改相应括号中的数字。

Depending on the number of webpages that you need to access, modify the numbers in brackets accordingly.

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