From c1fe1521320c643ff1dae4e9b129cb3a511ab682 Mon Sep 17 00:00:00 2001
From: Ethan Arrowood <ethan.arrowood@gmail.com>
Date: Thu, 7 May 2020 11:18:20 -0400
Subject: [PATCH] doc: add fs.open() multiple constants example

PR-URL: https://github.com/nodejs/node/pull/33281
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
---
 doc/api/fs.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/doc/api/fs.md b/doc/api/fs.md
index 2fc687d6aad04c..c52c622f07029f 100644
--- a/doc/api/fs.md
+++ b/doc/api/fs.md
@@ -5434,6 +5434,24 @@ The following constants are exported by `fs.constants`.
 
 Not every constant will be available on every operating system.
 
+To use more than one constant, use the bitwise OR `|` operator.
+
+Example:
+
+```js
+const fs = require('fs');
+
+const {
+  O_RDWR,
+  O_CREAT,
+  O_EXCL
+} = fs.constants;
+
+fs.open('/path/to/my/file', O_RDWR | O_CREAT | O_EXCL, (err, fd) => {
+  // ...
+});
+```
+
 ### File Access Constants
 
 The following constants are meant for use with [`fs.access()`][].