<?php
$file = 'node';
$original = file_get_contents($file .'_original.module');
$index = file_get_contents('node_functions.txt');
preg_match_all('/(\S+) (\S+)/', $index, $m, PREG_SET_ORDER);
$functions = array();
foreach ($m as $match) {
  $functions[$match[1]] = $match[2];
}

preg_match_all("|(?:/\*.+\*/)?\s+function ([^(]+?)\((.*)\) {\n(.*\n)}|sU", $original, $m, PREG_SET_ORDER);
foreach ($m as $match) {
  if (isset($functions[$match[1]])) {
    $files[$functions[$match[1]]] .= $match[0] ."\n\n";
  }
  else {
    echo $match[1]."\n";
  }
}
foreach ($files as $filename => $content) {
  file_put_contents($filename, "<?php\n\n". $content ."\n");
}