yutopp · October 2, 2021 10:49 · Oct 2, 2021
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,8 @@
+mono 5.10.1
+
+```
+path = tmp/tmp2/aaa
+parent ToString() = tmp/tmp2
+parent Name = tmp2
+parent FullName = /home/tmp/tmp2
+```
diff --git a/gistfile2.txt b/gistfile2.txt
@@ -0,0 +1,8 @@
+mono 6.0.0
+
+```
+path = tmp/tmp2/aaa
+parent ToString() = /home/tmp/tmp2
+parent Name = tmp2
+parent FullName = /home/tmp/tmp2
+```
diff --git a/main.cs b/main.cs
@@ -0,0 +1,19 @@
+using System;
+using System.IO;
+
+class Program
+{
+    static void Main() {
+        var path = "tmp/tmp2/aaa";
+        System.Console.Write($"path = {path}\n");
+
+        var parentPath = Directory.GetParent(path).ToString();
+        System.Console.Write($"parent ToString() = {parentPath}\n");
+
+        var n0 = Directory.GetParent(path).Name;
+        System.Console.Write($"parent Name = {n0}\n");
+
+        var n1 = Directory.GetParent(path).FullName;
+        System.Console.Write($"parent FullName = {n1}\n");
+    }
+}