如何在几百个文件(txt或html)中简便地提取出以"http:"开头，以".swf"结尾的所有字段（为了下载链接）

下载全部视频2007年04月25日 星期三 下午 09:03经常去网上看一些视频，并且一般都是下载到电脑看。好多视频都是几分种之短，所以下载一个全套的视频（如关于flash的）常常动辄上百个到几百个，并且那些视频都是用迅雷感应出来下载的，那些视频的真实地址之间没有什么联系，所以不能用迅雷建立批量任务下载。
（如这个地址中的视频http://videobanmacom/pscs2/）
以前常常是一个一个的打开，然后迅雷提示后再点击下载，上百个或几百个下载下来是非常麻烦且累的。现在发现了一个简便的方法，能一次性地下载了。
1打开全部视频页，先用迅雷下载全部链接
2筛选有用的文件（就是含有想要视频页的网页）
3用合并方法合并所有文件（这里可以用专用的一些软件，也可用一些别的方法，如在所有文件目录下建一个文本文档，键入“COPY （文件名后缀） D:\ALLTXT D:\ALLTXT”，然后将文本文档的扩展名改为bat，双击运行，即可在D盘根目录下生成一个名为ALLTXT的合并文件)
4用IE打开合并的文件
5用迅雷下载全部链接，并筛选
这里有个缺点就是，不能给下载的文件重命名。
改进：
123同上
4将合并文件内容复制到Word文档中，模糊并全部查找如“http://swf”字段
5将查找内容复制到博客中，自动生成链接。这时可以一个一个地下，也可以用迅雷下载全部链接的方法一起下。
示例：
（这是一个做好的）
Flash ActionScrip视频教程
http://dxdataduducom/video/flashaction/xhli2310536swf
http://dxdataduducom/video/flashaction/xhli1856476swf
http://dxdataduducom/video/flashaction/xhli6581973swf
http://dxdataduducom/video/flashaction/xhli6885797swf
http://dxdataduducom/video/flashaction/xhli5029520swf
http://dxdataduducom/video/flashaction/xhli3254145swf
http://dxdataduducom/video/flashaction/xhli6547647swf
http://dxdataduducom/video/flashaction/xhli8536648swf
http://dxdataduducom/video/flashaction/xhli5225436swf
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http://dxdataduducom/video/flashaction/xhli3354833swf
http://dxdataduducom/video/flashaction/xhli724952swf
http://dxdataduducom/video/flashaction/xhli880416swf
http://dxdataduducom/video/flashaction/xhli6808829swf
http://dxdataduducom/video/flashaction/xhli3296671swf
http://dxdataduducom/video/flashaction/xhli6671075swf
http://dxdataduducom/video/flashaction/xhli3105785swf
http://dxdataduducom/video/flashaction/xhli6457449swf
http://dxdataduducom/video/flashaction/xhli4369834swf
http://dxdataduducom/video/flashaction/xhli5157978swf
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