count down with while loop

rshoe has asked for the wisdom of the Perl Monks concerning the following question:

My program should display multiples of a chosen integer between 200 and 100, For example, if a user enters 5, the results would be 200 195 190 etc... The program must use a while loop If anyone can help me I would appreciate it. Thanks. Here is my code

#!c:\Dwimperl\perl\bin\perl.exe

use strict;
use warnings;

#### prompt a user to enter an integer
print "Enter an integer ";
my $integer = <STDIN>;
chomp $integer;

my $i = 199;

### use either a while loop or an until loop to count down from 199 to
+ 99
while($i >= 99){
     ### display all multiples of the integer

     print $i - $integer . "\n"; 
     --$i;    
}
[download]

Comment on count down with while loop Download Code

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Re: count down with while loop by McA (Priest) on Oct 23, 2014 at 16:07 UTC
`print "$i\n" if $i % $integer == 0;` McA	[reply] [d/l]
Re^2: count down with while loop by rshoe (Novice) on Oct 23, 2014 at 16:29 UTC
McA: Thank your for your reply. I see what I missed. You were right on the mark. I appreciate all your help. Thanks again. Randy	[reply]
Re: count down with while loop by johngg (Canon) on Oct 23, 2014 at 16:17 UTC
Probably quicker to jump in increments of `$integer`. `$ perl -Mstrict -Mwarnings -E ' my $lower = 100; my $upper = 200; my $int = 15; my $start = int( $upper / $int ) * $int; while ( $start >= $lower ) { say $start; $start -= $int; }' 195 180 165 150 135 120 105 $` [download] I hope this is helpful. Cheers, JohnGG	[reply] [d/l] [select]
Re^2: count down with while loop by rshoe (Novice) on Oct 23, 2014 at 16:47 UTC
JohnGG: Thanks for you help. The user puts in the amount to count down and then it is adjusted from there. I appreciate all your help. Thanks, R.	[reply]
Re: count down with while loop by GotToBTru (Prior) on Oct 23, 2014 at 16:08 UTC
You've got the count-down while loop, except you aren't using your supplied value of $integer for anything. What was your plan for determining if any of those values were multiples of 15? 1 Peter 4:10	[reply]
Re^2: count down with while loop by rshoe (Novice) on Oct 23, 2014 at 16:39 UTC
GotToBTru: Thank your for your reply. The fifteen was just an example. The user puts in the amount they want to use then it is adjusted from there. The code I got earlier seem to work. Thanks again for all your help. R.	[reply]
Re: count down with while loop by ww (Archbishop) on Oct 23, 2014 at 16:39 UTC
Parent (OP) has a strong stink of homework... but was not labled. Downvoted. check Ln42!	[reply] [d/l]