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Bookmark file playing in xmms

/ Published in: PHP
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Gets currently playing song path and saves it to one of 3 playlists. Comes very handy when it's made a shortcut in the wm's panel.
Requires infopipe.
Reentrant.
Usage: /bm [0|1|2].
Creates files /bm.lock, /bm0.m3u, /bm1.m3u, /bm2.m3u.
Playlists must end with newline. Does not correctly handle diactritic letters.

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  1. //Removes the path $t from the nth playlist.
  2. function _remove($n,$t)
  3. {
  4. $nazw="/bm".$n.".m3u";
  5.  
  6. $a=file_get_contents($nazw);
  7. $b=strpos($a,$t);
  8.  
  9. if ($b === false) {;} else
  10.    {
  11.     $c=strpos($a,"\n",$b);
  12.     $ha=fopen($nazw,"w+");
  13.     if ($b>0)
  14.         fwrite($ha,substr($a,0,$b));
  15.     fwrite($ha, substr($a,$c+1));
  16.     fclose($ha);
  17.    }
  18. }
  19.  
  20. if ($argc!=2) die ("usage: ".$argv[0]." [0,1,2]\n");
  21. if (!in_array($argv[1], array('0','1','2') ))
  22.     die ("usage: ".$argv[0]." [0,1,2]\n");
  23. $n=(integer)$argv[1];
  24.  
  25.  
  26.  
  27.  
  28. $blokada=fopen("/.bm.lock",'w');
  29. if ($blokada == false)
  30.     die("error fopen\n");
  31. if (!flock($blokada,LOCK_EX))
  32.     die ("error flock\n");
  33.  
  34. //get path to currently played track
  35. $a=file_get_contents('/tmp/xmms-info');
  36. $b=substr($a, 6+strpos($a,"File: "));
  37. $b=substr($b,0,strlen($b)-1);
  38.  
  39. _remove(0,$b);
  40. _remove(1,$b);
  41. _remove(2,$b);
  42.  
  43. //add path to a file
  44.  
  45. $nazw="/bm".$n.".m3u";
  46.  
  47. $plik=fopen($nazw,'a');
  48. fwrite($plik, $b."\n");
  49. fclose($plik);
  50. fclose($blokada);

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