fail gracefully if the plot export directory doesn't exist
fail gracefully if the plot export directory doesn't exist

jrnold/rstudio,jzhu8803/rstudio,jzhu8803/rstudio,brsimioni/rstudio,JanMarvin/rstudio,sfloresm/rstudio,maligulzar/Rstudio-instrumented,jzhu8803/rstudio,piersharding/rstudio,edrogers/rstudio,john-r-mcpherson/rstudio,nvoron23/rstudio,thklaus/rstudio,githubfun/rstudio,sfloresm/rstudio,edrogers/rstudio,brsimioni/rstudio,sfloresm/rstudio,brsimioni/rstudio,jrnold/rstudio,jrnold/rstudio,maligulzar/Rstudio-instrumented,thklaus/rstudio,JanMarvin/rstudio,vbelakov/rstudio,john-r-mcpherson/rstudio,nvoron23/rstudio,brsimioni/rstudio,suribes/rstudio,sfloresm/rstudio,vbelakov/rstudio,sfloresm/rstudio,githubfun/rstudio,vbelakov/rstudio,thklaus/rstudio,pssguy/rstudio,githubfun/rstudio,pssguy/rstudio,tbarrongh/rstudio,brsimioni/rstudio,john-r-mcpherson/rstudio,thklaus/rstudio,more1/rstudio,john-r-mcpherson/rstudio,jrnold/rstudio,john-r-mcpherson/rstudio,suribes/rstudio,more1/rstudio,piersharding/rstudio,piersharding/rstudio,sfloresm/rstudio,githubfun/rstudio,thklaus/rstudio,john-r-mcpherson/rstudio,jrnold/rstudio,more1/rstudio,JanMarvin/rstudio,githubfun/rstudio,jzhu8803/rstudio,jrnold/rstudio,sfloresm/rstudio,thklaus/rstudio,sfloresm/rstudio,brsimioni/rstudio,tbarrongh/rstudio,john-r-mcpherson/rstudio,thklaus/rstudio,githubfun/rstudio,jrnold/rstudio,piersharding/rstudio,piersharding/rstudio,pssguy/rstudio,pssguy/rstudio,JanMarvin/rstudio,JanMarvin/rstudio,suribes/rstudio,john-r-mcpherson/rstudio,jar1karp/rstudio,edrogers/rstudio,tbarrongh/rstudio,piersharding/rstudio,JanMarvin/rstudio,jzhu8803/rstudio,nvoron23/rstudio,edrogers/rstudio,JanMarvin/rstudio,pssguy/rstudio,maligulzar/Rstudio-instrumented,maligulzar/Rstudio-instrumented,more1/rstudio,edrogers/rstudio,edrogers/rstudio,tbarrongh/rstudio,thklaus/rstudio,tbarrongh/rstudio,jar1karp/rstudio,more1/rstudio,maligulzar/Rstudio-instrumented,vbelakov/rstudio,edrogers/rstudio,jar1karp/rstudio,more1/rstudio,brsimioni/rstudio,pssguy/rstudio,maligulzar/Rstudio-instrumented,more1/rstudio,pssguy/rstudio,vbelakov/rstudio,maligulzar/Rstudio-instrumented,brsimioni/rstudio,edrogers/rstudio,jar1karp/rstudio,vbelakov/rstudio,nvoron23/rstudio,jrnold/rstudio,nvoron23/rstudio,suribes/rstudio,suribes/rstudio,maligulzar/Rstudio-instrumented,vbelakov/rstudio,jzhu8803/rstudio,tbarrongh/rstudio,nvoron23/rstudio,tbarrongh/rstudio,jar1karp/rstudio,jar1karp/rstudio,JanMarvin/rstudio,nvoron23/rstudio,maligulzar/Rstudio-instrumented,piersharding/rstudio,piersharding/rstudio,JanMarvin/rstudio,pssguy/rstudio,jar1karp/rstudio,githubfun/rstudio,suribes/rstudio,githubfun/rstudio,vbelakov/rstudio,more1/rstudio,jar1karp/rstudio,jrnold/rstudio,suribes/rstudio,piersharding/rstudio,suribes/rstudio,tbarrongh/rstudio,jzhu8803/rstudio,jzhu8803/rstudio,jar1karp/rstudio