From: Lloyd Linklater <lloyd@2live4.com>
Date: 2009-06-30T00:18:15+09:00
Subject: Making a random string

I have been trying to generate a random string.  One approach in, say,
pascal would be something like this:

function GetRandomChar: char;
var
  r: integer;
begin
  r := random(36);
  case r of
    0..25: result := chr(ord('a') + r);
    else : result := chr(ord('0') + r);
  end;
end;

I know that there is something like "a".next but I need something more
like "a" + some_random_value.  Even though it is more terse than the
Pascal, I am trying to avoid something time consuming and inelegant like

s = "a"
rand(26).times do {s.next!}

Any suggestions?
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