From 27c4d36cbb029960ec271a5a7746771ab86acba8 Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Thu, 19 Sep 2019 18:46:06 +0300
Subject: [PATCH] docs: update

---
 README.md               | 3 +++
 manuscript/chapter5.txt | 3 +++
 test.sh                 | 6 ++++++
 3 files changed, 12 insertions(+)

diff --git a/README.md b/README.md
index 54109eb..88695a9 100644
--- a/README.md
+++ b/README.md
@@ -1072,8 +1072,11 @@ dirname() {
     # Usage: dirname "path"
     dir=${1:-.}
     dir=${dir%%${dir##*[!/]}}
+
     [[ "${dir##*/*}" ]] && dir=.
+
     dir=${dir%/*}
+    dir=${dir%%${dir##*[!/]}}
 
     printf '%s\n' "${dir:-/}"
 }
diff --git a/manuscript/chapter5.txt b/manuscript/chapter5.txt
index c3cd5e5..754a930 100644
--- a/manuscript/chapter5.txt
+++ b/manuscript/chapter5.txt
@@ -11,8 +11,11 @@ dirname() {
     # Usage: dirname "path"
     dir=${1:-.}
     dir=${dir%%${dir##*[!/]}}
+
     [[ "${dir##*/*}" ]] && dir=.
+
     dir=${dir%/*}
+    dir=${dir%%${dir##*[!/]}}
 
     printf '%s\n' "${dir:-/}"
 }
diff --git a/test.sh b/test.sh
index b859a38..238569f 100755
--- a/test.sh
+++ b/test.sh
@@ -144,6 +144,12 @@ test_dirname() {
 
     result="$(dirname "something/////////////////////")"
     assert_equals "$result" "."
+
+    result="$(dirname "something/////////////////////a")"
+    assert_equals "$result" "something"
+
+    result="$(dirname "something//////////.///////////")"
+    assert_equals "$result" "something"
 }
 
 test_basename() {