Module `OS.Dir`

Directory operations.

Existence and contents

val exists : fpath -> bool result: exists dir is true if directory dir exists in the file system. Symbolic links are followed.

val must_exist : fpath -> fpath result: must_exist dir is dir if file is a regular file in the file system and an error otherwise. Symbolic links are followed.

val contents : ?⁠dotfiles:bool -> ?⁠rel:bool -> fpath -> fpath list result: contents ~dotfiles ~rel dir is the list of directories and filse in dir. If rel is true (defaults to false) the resulting paths are relative to dir, otherwise they have dir prepended. If dotfiles is false (default) elements that start with a . are omitted.

Current working directory

val current : unit -> fpath result: current () is the current working directory.

val set_current : fpath -> unit result: set_current dir sets the current working directory to dir.

val with_current : fpath -> ('a -> 'b) -> 'a -> 'b result: with_current dir f v is f v with the current working directory bound to dir. After the function returns the current working directory is back to its initial value.