Build & Reload in RStudio on Windows: devtools::document() says devtools not found

Question

When I click \"Build & Reload\" on the Build tab within RStudio, I get the following error:

==> devtools::document(roclets=c(\'rd\', \'collate\', \'namesp         


        

Answer 1

Here's a convenient solution based on mathematical.coffee's comment:

Just run this from Rstudio:

writeLines("install.packages('devtools', repos = 'https://cran.rstudio.com/')", "inst.R")
system("Rscript --vanilla inst.R")