In the spirit of timtowtdi, and if you're not pressed for time, you could do it with magical incrementation: 
sub letter {
  my $offset = int rand 26;
  my $A = 'a';
  $A++ for 0..$offset;
  return $A;
}

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§ George Sherston

In reply to Re: randomly generating A-Za-z by George_Sherston
in thread randomly generating A-Za-z by princepawn

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