docs: update

2019-09-19 17:16:40 +03:00
parent 6c179f7f03
commit 82c43dbdba
1 changed files with 3 additions and 3 deletions
--- a/README.md
+++ b/README.md
@@ -486,11 +486,11 @@ Alternative to the `dirname` command.
 dirname() {
    # Usage: dirname "path"
    dir=${1%%/}
+    dir=${dir%/*}

-    [ "$dir" ] || dir=//
-    [ "${dir##*/*}" ] && dir=.
+    [ "${1##*/*}" ] && dir=.

-    printf '%s\n' "${dir%/*}"
+    printf '%s\n' "${dir:-/}"
 }
 ```