[vienna.pm] scalar(Hash)

Peter J . Holzer hjp at wsr.ac.at
Thu Oct 18 12:23:43 CDT 2001


Kleines Rätsel:

Was gibt 

#!/usr/bin/perl -w
use strict;
my %x;

for (1..$ARGV[0]) {
    $x{$_} = $_;
}
print scalar(%x), "\n";

für diverse Werte von $ARGV[0] aus, und warum?

	hp

-- 
   _  | Peter J. Holzer      | My definition of a stupid question is
|_|_) | Sysadmin WSR / LUGA  | "a question that if you're embarassed to
| |   | hjp at wsr.ac.at        | ask it, you stay stupid."
__/   | http://www.hjp.at/   |    -- Tim Helck on dbi-users, 2001-07-30
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