<?php
$include_file = "/usr/local/share/povray-3.6/include/gold*";
exec("grep -h \"declare T_G\" $include_file | grep T_Gold > textures.txt");

$f = fopen("textures.txt", "r");
exec("rm files.list");
while (!feof($f))
{
    $line = fgets($f, 4096);
    $line = preg_replace("/#declare/","", $line);
    $line = preg_replace("/=[^\n]*/","", $line);
    $line = preg_replace("/\n/","",$line);
    $line = preg_replace("/ /","",$line);
    if ($line != "")
    {
        echo("Texture: $line\n");
        exec("cat temp.pov | sed 's/%texture%/$line/g' > $line.pov\n");
        exec("povray +W240 +H180 $line.pov\n");
        exec("convert -quality 88 $line.png $line.jpg\n");
        exec("echo '$line!!!library/$line.jpg!!!' >> files.list\n");
    }
}
?>