Returns the absolute path of relative-path (file or dir).

Turns filename extension into new-extension.

Creates a path with the list of parameters. Removes the empty strings, add needed separators, including the trailing ones

Creates a path for which each element of dirs is a subdirectory.

Symbol to separate directories. Is usually / on linux based OS And \ on windows based ones

Extract the directory path to the filename.

Returns the filename of a path.

Returns true if path is an absolute directory.

Returns true if the filename match the at least one of the extensions.

Returns the parent of path.

Turn the path into a relative directory starting from root-dir

If exists, remove the trailing separator in a path, remove unwanted spaces either