练习perl的数组操作 hangman 猜字母

#!/user/bin/perl -w
@words = qw(internet answers printer program);
@guesses=();
$wrong = 0;

$choice = $words[rand @words];
$hangman = "0-|--<<";

@letters = split(//,$choice);
@hangman = split(//,$hangman);
@blankword = (0) x scalar(@hangman);
OUTER:
while($wrong < @hangman){
foreach $i (0..$#letters){
if($blankword[$i]){
print $blankword[$i];
}else{
print"-";
}
}
print "\n";
if($wrong){
print @hangman[0..$wrong-1];
}

print"\n Your Guess:";
$guess=<STDIN>; chomp $guess;
foreach(@guesses){
next OUTER if ($_ eq $guess);
}

$right = 0;
for($i = 0; $i < @letters; $i++){
if($letters[$i] eq $guess){
$blankword[$i] = $guess;
$right = 1;
}
}
$wrong++ unless(not $right);

if(join ('',@blankword) eq $choice){
print "You got t right!\n";
exit;
}
}
print "$hangman\n Sorry,the word was $choice.\n";