PHP -> Ruby: Listing Directory

directory_listing.php

// Removed the HTML for readability
<?php

$Directory = opendir("../");

while($entryName = readdir($Directory)) { 
  $dirArray[] = $entryName;
}

closedir($Directory);

$jCount	= count($dirArray);

sort($dirArray);

for($j=0; $j<$jCount; $j++) { 
  $file = $dirArray[$j];
  if ( substr($file,0,1) != "." ) { 
    echo $file;
    echo filetype($file);
    echo filesize($file);
  }
}

?>

directory_listing.rb

# collect the file_names in the given directory
file_names = Dir.entries("../")
# remove hidden files from the resultant array
file_names.reject! {|d| d.chars.first.eql?('.') }
# sort the array
file_names.sort!
# turn each file_name string into a File object
files = file_names.map {|f| File.new(f) }
# iterate through the files and print the required information
files.each do |file|
  puts file.path
  puts File.extname(file.path)
  puts file.size
end