r - Changing directories in Rscript -



r - Changing directories in Rscript -

how can have rscript parameters alter directories?

if command-line argument rscript test.r "foo1", want setwd("~/foo1"), error cannot alter working directory.

args<-commandargs(trailingonly=true) lambda<args[1] fileend<-args[2] replicate<-args[3] directory<-args[4] setwd(directory)

a sample command-line rscript test.r 0 1 10 "~/foo1"

try this:

# utilize commandline arguments args <- commandargs(true) # first argument working dir working.dir <- args[1] # alter working dir setwd(file.path("~", working.dir))

r command-line-arguments directory rscript

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