is_file {msgr}

Checks whether the variable is a path to an existing file

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)