is_file: Checks whether the variable is a path to an existing file

In msgr: Extends Messages, Warnings and Errors by Adding Levels and Log Files

Description

Checks whether the variable is a path to an existing file

Usage

is_file(x)

Arguments

x	(any) The object to test

Value

TRUE if x is a path to an existing file, FALSE otherwise

Examples

tmpfile <- tempfile()
file.create(tmpfile)

is_file(tmpfile)

is_file("/does/not/exist.txt")
is_file(1)

msgr documentation built on Dec. 16, 2019, 5:41 p.m.