bible: fix dirname

2019-09-19 16:53:37 +03:00
parent 30dad5e2f5
commit 6c179f7f03
1 changed files with 2 additions and 5 deletions
--- a/README.md
+++ b/README.md
@@ -487,11 +487,8 @@ dirname() {
    # Usage: dirname "path"
    dir=${1%%/}

-    # If there are no '/' in the path, use '.'.
-    case $dir in
-        */*) ;;
-        *) dir=.
-    esac
+    [ "$dir" ] || dir=//
+    [ "${dir##*/*}" ] && dir=.

    printf '%s\n' "${dir%/*}"
 }