PathHelper
PathHelper.relative_file(filename) allows you to access a file relative to the file calling it, irrespective of the working path it is invoked from. Useful for scripts that are symlinked to /usr/bin or similar.
Installation
If available in Hex, the package can be installed
by adding path_helper to your list of dependencies in mix.exs:
def deps do
[
{:path_helper, "~> 0.1.2"}
]
end