How to make it dynamic search function

<?php
 /*
     Example10 : A 3D exploded pie graph
 */

// Standard inclusions   
 include("pChart/pData.class");
 include("pChart/pChart.class");

$file = "C:\Log\NMS-Television2011101416.txt";

$Tv = count(file($file));

$file = "C:\Log\NMS-Games2011101315.txt";

$Games = count(file($file)); 
 
  $file = "C:\Log\NMS-Film2011101416.txt";

$Film = count(file($file));

$file = "C:\Log\NMS-Pulishing2011100714.txt";

$Pulishing = count(file($file));

$file = "C:\Log\NMS-Animation2011101116.txt";

$Animation = count(file($file));

$file = "C:\Log\NMS-Distribution_Media_Services2011101014.txt";

$Distribution = count(file($file)); 
  
  $file = "C:\Log\NMS-Broadcasting & Technology2011101315.txt";

$Broadcasting = count(file($file));

echo "$Broadcasting","$Distribution","$Animation","$Pulishing","$Film","$Games","$Tv"; 
  
 // Dataset definition 
 $DataSet = new pData;
 $DataSet->AddPoint(array($Tv,$Games,$Film,$Pulishing,$Animation,$Distribution,$Broadcasting),"Serie1");
 $DataSet->AddPoint(array("Television","Games","Film","Pulishing","Animation","Distribution","Broadcasting"),"Serie2");
 $DataSet->AddAllSeries();
 $DataSet->SetAbsciseLabelSerie("Serie2");

// Initialise the graph
 $Test = new pChart(800,500);
 $Test->drawFilledRoundedRectangle(7,7,413,243,5,240,240,240);
 $Test->drawRoundedRectangle(5,5,415,245,5,230,230,230);
 $Test->createColorGradientPalette(195,204,56,223,110,41,5);

// Draw the pie chart
 $Test->setFontProperties("Fonts/tahoma.ttf",8);
 $Test->AntialiasQuality = 0;
 $Test->drawPieGraph($DataSet->GetData(),$DataSet->GetDataDescription(),180,130,110,PIE_PERCENTAGE_LABEL,FALSE,50,20,5);
 $Test->drawPieLegend(400,15,$DataSet->GetData(),$DataSet->GetDataDescription(),250,250,250);

// Write the title
 $Test->setFontProperties("Fonts/MankSans.ttf",10);
 $Test->drawTitle(10,20,"Number of View",100,100,100);

$Test->Render("example10.png");
?>

How to make it automatically search the file from a group of text file?

Thanks!~