Which can be whittled down to a more useful PNB dealer which would normally be written to a file. I did it to feed the the GIB command-line bridge engine.

 
#!/usr/bin/perl 
## Dealing cards in PBN (Portable Bridge Notation)
## Using tr to avoid the awesome card-sort map

## mock names for easy sorting
my @suit = qw(f g h i);
my @rank = (2..9, qw(a b c d e));
my @seps = qw(g. h. i.);

sub shuffle { 
    for (my $i = $#_ ; $i > 0 ; $i--) {
    @_[$_, $i] = @_[$i, $_] for rand $i+1
    } return @_;
}

## reformats one hand at a time
sub pbnFormat {
    push (@_, @seps) ;
    local $string = join(``, sort{$b cmp $a}@_);
    $string =~ tr/abcdefghi/TJQKA/d;
    return $string;
}

my @deck = shuffle(map{$rank=$_; map{"$_$rank"}@suit}@rank);

for(1..4) {
    print pbnFormat splice @deck,0,13;
    print "\n";
}
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