#!/usr/bin/perl

require 'obj13-lib.pl';

@deck = ("A H","2 H","3 H","4 H","5 H","6 H","7 H","8 H",
     "9 H","10 H","J H","Q H","K H",
     "A D","2 D","3 D","4 D","5 D","6 D","7 D","8 D",
     "9 D","10 D","J D","Q D","K D",
     "A C","2 C","3 C","4 C","5 C","6 C","7 C","8 C",
     "9 C","10 C","J C","Q C","K C",
     "A S","2 S","3 S","4 S","5 S","6 S","7 S","8 S",
     "9 S","10 S","J S","Q S","K S");

{
for(@deck){
s/H/Hearts/;
s/D/Diamonds/;
s/C/Clubs/;
s/S/Spades/;
}
print"original deck:\n";
print"@deck\n";
@hand = shuf(@deck);
print"shuffled deck:\n";
print"@hand\n";
}

sub shuf
{                                                                                                                                                                            
foreach $_ (@deck){
  $lastcard = pop(@deck);
  $firstcard = shift(@deck);
  push(@newdeck,$firstcard,$lastcard);}

@answer = @newdeck;
return @answer;                                                                                                                                                              
}