How to set the current file location as the default working directory in R programming?

Question

I want to make the current file location as the working directory.

Using Rstudio (Works!):

# Author  : Bhishan Poudel
# Program :         


        

Answer 1

Try using parent.frame(3) in you function:

setwd_thisdir <- function () {
  this.dir <- dirname(parent.frame(3)$ofile)
  setwd(this.dir)
}

See ?parent.frame or http://adv-r.had.co.nz/Environments.html#calling-environments.

You may also look at the chdir option of the source function (?source).