Rscript arguments input

#!/usr/bin/env Rscript
args = commandArgs(trailingOnly=TRUE)
# test if there is at least one argument: if not, return an error
if (length(args)==0) {
  stop("At least one argument must be supplied (input file).n", call.=FALSE)
} else if (length(args)==1) {
  # default output file
  args[2] = "out.txt"
}

Source: r-bloggers.com

Similar codes

8 votes296 views3 answers
Object iteration in typescript
TypeScript
0 vote295 views1 answer
Adding API request
TypeScript
0 vote329 views1 answer
Check if graphic driver exists ubuntu
TypeScript
3 votes318 views2 answers
Exists query elasticsearch 5.4
TypeScript
0 vote304 views1 answer
Requests python-passlib python-pil -y ubuntu 18.04
TypeScript
0 vote304 views1 answer
Uncaught TypeError: Cannot read property 'value' of undefined at Object.onChange
TypeScript
1 vote291 views2 answers
Angular innerhtml style
TypeScript
2 votes316 views1 answer
Router navigate pass params
TypeScript
0 vote290 views1 answer
How to remove duplcates elements from arraylist
TypeScript
2 votes310 views1 answer
Typescript create guid
TypeScript