[转帖]提供在线听mp3

magic

这个程序是为在服务器端提供在线听mp3歌曲的人减轻制作.m3u文件负担
而编造的, 它可以将指定目录下面的所有mp3歌曲的路径表示成为
合法的URL并保存成all.m3u文件
作者 callmedear.bbs@smth.org

1. #!/usr/bin/perl -w
3. # print usage information if no argument offered by user.
4. if ($#ARGV < 0)
5. {
6.   print <<END_USAGE
8. Usage: mkm3u top-URL dir-of-your-public-html dir-you-want-to-search
10. For example,
11. $ mkm3u http://mp3.your.net/~yourID/ /home/yourID/public-html/ mp3-directory
13. And the result will be saved as all.m3u in your home directory.
15. END_USAGE
16. ;
17. die("End of usage\n");
18. }
20. # if the directory offered by user is not an absolute one, make it be.
21. if( $ARGV[2] !~ /^\// )
22. {
23.   $pwd = `pwd`;
24.   chop($pwd);
25.   $ARGV[2] = $pwd."/".$ARGV[2];
26. }
28. # get the home dir of the user
29. $home=$ENV{"HOME"};
30. print "The home dir of yours is: $home\n";
32. open(M3U, ">>${home}\/all.m3u");
33. &process_dir("$ARGV[2]");
34. print "The result is kept as $home/all.m3u\n";
35. close(M3U);
37. sub process_dir
38. {
39.   my($pwd,@subs,$count,$i);
40.   $pwd = $_[0];
41.   print "The present directory is $pwd\n";
42.   @subs=<$pwd/*>;
43.   $count=@subs;
44.   for($i=0;$i<$count;$i++)
45.         {
46.           if($subs[$i] !~ /\/\.?$/)
47.           {
48.              if( -f $subs[$i] && $subs[$i] =~ /\.mp3$/i)
49.              {
50.               $subs[$i] =~ s/$ARGV[1]/$ARGV[0]/e;
51.               print M3U "$subs[$i]\n";
52.              }
53.              elsif( -d $subs[$i] )
54.              {
55.               &process_dir("$subs[$i]");
56.              }
57.            }
58.          }
59. }

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