validFCTs: Check argument in functions

In bozenne/butils.base: Tools to source R code or install R packages

Description

Check the validity of the arguments in functions

Usage

validCharacter(value1, name1 = as.character(substitute(value1)),
  valid.length, valid.values = "character", refuse.NULL = TRUE,
  refuse.duplicates = FALSE, method = NULL, addPP = TRUE)

validPath(value1, name1 = as.character(substitute(value1)), type,
  method = NULL, addPP = TRUE, extension = NULL,
  check.fsep = FALSE)

Arguments

value1	the value of the (first) argument to be checked
name1	the name of the (first) argument.
valid.length	the acceptable length(s) for the argument. If NULL no test is performed.
valid.values	the acceptable value(s) for the argument. If NULL no test is performed. Can also be "character" or "character_or_logical".
refuse.NULL	should an error be output if value is NULL.
refuse.duplicates	should an error be output if value contains duplicated values.
method	the name of the function using the argument.
addPP	add ": " after the name of the function in the error message.
type	Either "dir" or "file" to check whether to path points to an existing directory or file.
extension	filter the files by the type of extention.
check.fsep	display a warning when the separator is not correctly specified.

Value

An invisible TRUE or an error message.

bozenne/butils.base documentation built on April 1, 2020, 6:13 p.m.