I posted this on stackoverflow but there hasn't been any replies, does anyone 
know a solution for this?

I am running a script via command line using Rscript nameOfmyRscript. I notice 
that when there is an error, my browser would open with the help page. Now my 
script contained repeated errors of the same type so my browser had 10 tabs of 
the same help page. Is there a command or way to prevent R from opening up 
these pages? I know that you can suppress all warnings by doing option(warn=-1) 
and that you can use sink() to write errors and warnings to file. I currently 
have the errors and warnings written to separate files, but the help page keeps 
opening. I would prefer to not have any help pages open at all.

The following error would open the mean.html help page

Error in mean.default(workshop) :

(converted from warning) argument is not numeric or logical: returning NA


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