Perl Christmas Quiz 2009

[Randal L. Schwartz]

>>>>> "Matt" == Matt Sergeant <msergeant at messagelabs.com> writes:

Matt> On Mon, 30 Nov 2009 18:24:12 +0000, Chris Jack wrote:
>> 1) Without running it to check, what does the following program output?
>> 
>> 
>> my %a = (3,2,1,0);
>> 
>> 
>> for my $b (sort values %a) {
>> $b += 4;
>> }
>> 
>> 
>> print $a{1} . "\n";

Matt> Bizarrely enough, on both my Snow Leopard machines (default perl 
Matt> install) this outputs: 4D

Matt> Nice bug there.

Lemme guess.  You did this:

$ perl
... type program in here ...
^D (control D)

The "D" is from your control D.

Common misconception.

If that *wasn't* it, let me know, so I can be perplexed. :)

-- 
Randal L. Schwartz - Stonehenge Consulting Services, Inc. - +1 503 777 0095
<merlyn at stonehenge.com> <URL:http://www.stonehenge.com/merlyn/>
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