File.exists-question-mark

You're seeing just the function exists-question-mark, go back to File module for more information.

exists?(path, opts \\ [])

Specs

exists?(Path.t(), [exists_option]) :: boolean() when exists_option: :raw

Returns true if the given path exists.

It can be a regular file, directory, socket, symbolic link, named pipe, or device file. Returns false for symbolic links pointing to non-existing targets.

Options

The supported options are:

:raw - a single atom to bypass the file server and only check for the file locally

Examples

File.exists?("test/")
#=> true

File.exists?("missing.txt")
#=> false

File.exists?("/dev/null")
#=> true