bible: really fix dirname

2019-09-19 17:06:26 +03:00
parent 4a6b172ba1
commit 49bd538c26
3 changed files with 19 additions and 7 deletions
--- a/manuscript/chapter5.txt
+++ b/manuscript/chapter5.txt
@@ -10,11 +10,11 @@ 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:-/}"
 }
 ```