When you update your original node, you should leave a note that you did so, and more importantly, you should first
test that your updated code works.
Here is the code that works for me. Note that it does not have jdporter's bug fix.
use strict;
use warnings;
my $low = 1; #Current low limit
my $high = 1000; #Current high limit
#This is the secret number...Add one because we
#don't need to wind up with a zero now do we?
my $goal = int(rand($high))+1;
while (1) {
print "Enter a number between $low and $high: ";
#The answer from the user
my $answer = <STDIN>;
chomp($answer);
if ($answer =~ /\D/) {
print "Please enter a number only\n";
next;
}
if ($answer == $goal) {
print "Holy cow! You guessed it!\n";
exit;
}
if (($answer < $low) || ($answer > $high)) {
print "Please stay between $low and $high.\n";
next;
}
if ($answer < $goal) {
$low = $answer;
} else {
$high = $answer;
}
}
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