Simplify help parsing and improve output.
Simplify help parsing and improve output.

String comparison was overly complicated.

Signed-off-by: David C Black <7967c87d0852bd541dce88f48da5f0f67a026da4@doulos.com>

dcblack/scdataperf,dcblack/scdataperf,dcblack/scdataperf