$VAR1 = {
          'main.html' => {
                           'language' => 'HTML',
                           'filename' => 'main.html',
                           'type' => 'text/html',
                           'size' => 713,
                           'raw_url' => 'THIS IS WHAT I WANT'
                         }
};

##</code><code>##

foreach my $g (@gists) {
        my @files = keys(%{$g->{files}});	
	my $file = $files[0];
        # $file is now main.html

	print $g->{files}->{$file}->{raw_url};
        # ^^ THIS doesn't work!!!
}