won't disagree, but first thing that came to mind for similar situations where the technique is useful, like the ubiquitous password generator: 
my @chars = ( 'A' .. 'Z', 0 .. 9);
my $pw = join('',@chars[ map { rand @chars } ( 1 .. 12 ) ]);

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In reply to Re^3: random number with range by Enlil
in thread random number with range by Anonymous Monk

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