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  1. or download this
    my @entries = grep { /^\.+$/ } readdir(DH);
  2. or download this
    # Everything that isn't just dots.
my @e = grep { ! /^\.+$/ } readdir(DH);
  3. or download this
    # Everything that doesn't begin with . or .. (better!)
my @e = grep { ! /^\.\.?$/ } readdir(DH);