DOC add mv_keep_parents output example

README.rst

@@ -76,3 +76,22 @@ Show status of different clusters::
               sigma        92        10  173.5GiB   90.8GiB     68.54      9.77      0.12
     ---------------  --------  --------  --------  --------  --------  --------  --------
              GLOBAL       220        91    1.3TiB  577.0GiB     61.49     17.56
+
+
+mv_keep_parents
+---------------
+
+Moves (sub)directories keeping folder structure::
+
+    % mv_keep_parents CC/*/reads.filtered.263RefGeneCatalog.padded.solexaqa TO_REMOVE
+
+produced::
+
+    % tree TO_REMOVE
+    TO_REMOVE
+    └── CC
+        ├── CCHB10959853ST-11-0
+        │   └── reads.filtered.263RefGeneCatalog.padded.solexaqa
+        ├── CCHB10961334ST-11-0
+        │   └── reads.filtered.263RefGeneCatalog.padded.solexaqa
+        ...