Check the number of command line arguments.
Check the number of command line arguments.

birkenfeld/racer,syohex/racer,rranelli/racer,syhkiller/racer,ajroetker/racer,BonsaiDen/racer,sthapaun/racer,BonsaiDen/racer,ifraixedes/racer,sliz1/racer,hotpxl/racer,ane/racer,alkama/racer,drewet/racer,kbknapp/racer,MattWis/racer,jaxx/racer,dleslie/racer,pmarcelll/racer,Wilfred/racer,asantopietro/racer,marvelm/racer,ajroetker/racer,sthapaun/racer,syhkiller/racer,tafia/racer,kbknapp/racer,syohex/racer,rranelli/racer,phildawes/racer,drewet/racer,ifraixedes/racer,andelf/racer,asantopietro/racer,bluss/racer,MattWis/racer,ane/racer,bluss/racer,racer-rust/racer