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#!/usr/bin/perl
use warnings;
use XML::Simple;
use LW2;
use Getopt::Std;
my %opts;
getopts('q:',\%opts);
my $query = $opts{q} if defined $opts{q};
$query = "SELECT pic_big FROM user WHERE uid=6666666" unless defined $opts{q};
my $ref = fqlQuery($query);
foreach my $parent (sort keys %{$ref}) {
    if (%{$ref->{$parent}}) {
        print "$parent: \n";
        foreach my $key (sort keys %{$ref->{$parent}}) {
            if (%{$ref->{$parent}->{$key}}) { 
           print "\t$key : \n";
               foreach my $mojo (sort keys %{$ref->{$parent}->{$key}}) {
                   print "\t\t$mojo : ";
                   print $ref->{$parent}->{$key}->{$mojo};
           print "\n";
           }
            } else {   print "\t$key : ";
               print $ref->{$parent}->{$key};
               print "\n";
            }
        }
    } else {
        print "$parent : " . $ref->{$parent} . "\n";
    }
}
sub fqlQuery {
    my $q = shift;
    $q =~ s/ /%20/g;
    my $link = "http://api.facebook.com/method/fql.query?query=$q";
    my $text = download($link,"api.facebook.com");
    my $ref  = XMLin($text);
    return($ref);
}
sub download
{
    my $uri = shift;
    my $try = 5;
    my $host = shift;
    my %request;
    my %response;
    LW2::http_init_request(\%request);
    $request{'whisker'}->{'method'} = "GET";
    $request{'whisker'}->{'host'} = $host;
    $request{'whisker'}->{'uri'} = $uri;
    $request{'whisker'}->{'encode_anti_ids'} = 9;
    $request{'whisker'}->{'user-agent'} = "";
    LW2::http_fixup_request(\%request);
    if(LW2::http_do_request(\%request, \%response)) {
        if($try < 5) {
            print "Failed to fetch $uri on try $try. Retrying...\n";
            return undef if(!download($uri, $try++));
        }
        print "Failed to fetch $uri.\n";
        return undef;
    } else {
        return ($response{'whisker'}->{'data'}, $response{'whisker'}->{'data'});
    }
}