From 30dad5e2f5d60524763cbbe73e6db22e0bf41a90 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Thu, 19 Sep 2019 16:35:35 +0300
Subject: [PATCH] docs: update

---
 README.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c6a4b55..2559d22 100644
--- a/README.md
+++ b/README.md
@@ -485,7 +485,15 @@ Alternative to the `dirname` command.
 ```sh
 dirname() {
     # Usage: dirname "path"
-    printf '%s\n' "${1%/*}/"
+    dir=${1%%/}
+
+    # If there are no '/' in the path, use '.'.
+    case $dir in
+        */*) ;;
+        *) dir=.
+    esac
+
+    printf '%s\n' "${dir%/*}"
 }
 ```