Ranger: Add toggle_flat command

.config/ranger/commands.py

@@ -124,3 +124,21 @@ class mkcd(Command):
                     self.fm.execute_console('scout -ae ^{}$'.format(s))
         else:
             self.fm.notify("file/directory exists!", bad=True)
+
+
+class toggle_flat(Command):
+    """
+    :toggle_flat
+
+    Flattens or unflattens the directory view.
+    """
+
+    def execute(self):
+        if self.fm.thisdir.flat == 0:
+            self.fm.thisdir.unload()
+            self.fm.thisdir.flat = -1
+            self.fm.thisdir.load_content()
+        else:
+            self.fm.thisdir.unload()
+            self.fm.thisdir.flat = 0
+            self.fm.thisdir.load_content()

.config/ranger/rc.conf

@@ -171,3 +171,6 @@ map S shell zshcd %d
 ## Image preview toggle
 map zi set preview_images=True
 map zI set preview_images=False
+
+## toggle_flat
+map zF toggle_flat