opt_get_args: Return arguments to Rscript

In optigrab: Command-Line Parsing for an R World

Description

Arguments to a script are those following the --args argument.

Usage

opt_get_args(opts = commandArgs())

Arguments

opts

character; vector of arguments, (Default: commandArgs()) Returns the user provided arguments, i.e. those following (the first) --args flag. This is identical to what is done by commandArgs( trailingOnly = TRUE ) does. This is included an used since it supports testing/modifying the commandArgs array.

Value

character; vector stripping elements preceding and including (the first) --args flag.

See Also

• base::commandArgs()
  

• opt_grab()
  

Examples

  opt_get_args()
  opt_get_args( opts=c( "Rscript", "-a", "-b", "--args", "-c", 3, "-d" ) )  # "-c" "3" "-d"
  opt_get_args( opts=c( "-a", "-b", "--args", "-c", "--args", "-d" ) )  # "-c" "-d"
  opt_get_args( opts=c( "--foo", "bar") ) 
  

optigrab documentation built on May 2, 2019, 2:10 a.m.