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https://github.com/whitequark/ocaml-inotify

OCaml bindings for inotify.
https://github.com/whitequark/ocaml-inotify

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OCaml bindings for inotify.

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OCaml Inotify bindings [![build](https://github.com/whitequark/ocaml-inotify/actions/workflows/main.yml/badge.svg)](https://github.com/whitequark/ocaml-inotify/actions/workflows/main.yml)
======================

This package contains bindings for Linux's filesystem monitoring
interface, [inotify][man].

[man]: http://man7.org/linux/man-pages/man7/inotify.7.html

Installation
------------

The bindings are available via [OPAM](https://opam.ocaml.org):

$ opam install inotify

Alternatively, you can do it manually:

# If you want to use lwt_inotify
$ opam install lwt
# If you want to use eio_inotify
$ opam install eio
$ opam install .

Usage
-----

Unix-style interface (findlib package `inotify`):

``` ocaml
let inotify = Inotify.create () in
let watch = Inotify.add_watch inotify "dir" [Inotify.S_Create] in
print_endline (Inotify.string_of_event (List.hd (Inotify.read inotify)))
(* watch=1 cookie=0 events=CREATE "file" *)
```

Lwt-style interface (findlib package `inotify.lwt`):

``` ocaml
Lwt_main.run (
let%lwt inotify = Lwt_inotify.create () in
let%lwt watch = Lwt_inotify.add_watch inotify "dir" [Inotify.S_Create] in
let%lwt event = Lwt_inotify.read inotify in
Lwt_io.printl (Inotify.string_of_event event))
(* watch=1 cookie=0 events=CREATE "file" *)
```

Eio-style interface (findlib package `inotify-eio`):

``` ocaml
Eio_main.run @@ fun _env ->
let inotify = Eio_inotify.create () in
let _watch = Eio_inotify.add_watch inotify "dir" [Inotify.S_Create] in
let event = Eio_inotify.read inotify in
print_endline (Inotify.string_of_event event)
(* watch=1 cookie=0 events=CREATE "file" *)
```

Note that Lwt-style & Eio-style interfaces returns events one-by-one, but the Unix-style one returns
them in small batches.

Documentation
-------------

The API documentation is available at [GitHub pages](http://whitequark.github.io/ocaml-inotify/).

License
-------

[LGPL 2.1 with linking exception](LICENSE.txt)