cli_arg: Extracting Command Line Arguments

In renozao/CLIR: Command Line Interface for R Packages

Description

Extracting Command Line Arguments

Usage

cli_arg(name, default = NULL, alt = NA, required = FALSE,
  trailing.only = TRUE, as.is = TRUE, args = commandArgs(trailing.only),
  with.details = FALSE, error = TRUE)

Arguments

name	parameter name, e.g., '-f'
default	default value to return if parameter is missing
alt	alternative parameter name, e.g. long form code'–file'
required	logical that indicates if the parameter is required.
trailing.only	logical that indicates if the parameter should be looked in the trailing arguments only, or in the arguments meant for R or Rscript.
as.is	logical that indicates if the name should be looked up as is in the command line argument or with a double/single dash prefix.
args	vector of command line argument to parse
with.details	logical that indicates if details about the argument match should be returned.
error	logical that indicates if an error should be raised when the command line arguments do not meet the constrains, e.g., required.

renozao/CLIR documentation built on May 27, 2019, 5:52 a.m.