This a very simple script that helped me learn a little more about Perl and helped my kids
visualize ordering of numbers.

**UPDATE: Reconsidered everything, went back and rethought the code
and this is the latest idea I have come up with, tell me what
you think 

#!/usr/bin/perl

use strict;
use warnings;

my $low = 100;        #Current low limit
my $high = 1000;     #Current high limit

# UPDATED: Thanks to jdporter pointing out the necessity for a 
# perfect $goal I changed this algorithm to make it work every time.
my $goal = int(rand($high-$low+1))+$low; #added +1 in case $goal was 0


while (1) {
    print "Enter a number between $low and $high: ";

    #The answer from the user
    my $answer = <STDIN>;
    chomp($answer);

           
    if ($answer =~ /\D/) { # UPDATED D from d+ -> from toolic
        print "Please enter a number only\n";
        next;
    }
    if ($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;
    }
}

[download]


The early bird gets the worm but the second mouse gets the cheese.
pretendeavor

In reply to Guess That Number by naildownx

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