better error handling in whatnow2
authorPhilipp Takacs <philipp@bureaucracy.de>
Fri, 12 Aug 2016 16:11:11 +0000 (18:11 +0200)
committerPhilipp Takacs <philipp@bureaucracy.de>
Fri, 12 Aug 2016 16:11:11 +0000 (18:11 +0200)
if the command is unknown then usage is printed and if usage is
called with an argument other then 0 exit 1 is forced.


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