README.md

@@ -22,7 +22,7 @@ $ pip3 install --user --upgrade yamily[yaml,graphviz]
 ... birth_date: 2019-12-23
 ... mother: !person
 ...   identifier: alice-mother
-...   name: Carol Test 
+...   name: Carol Test
 ...   birth_date: 1992-10-26
 ... father: !person
 ...   identifier: bob
@@ -49,7 +49,7 @@ Person(alice-mother, Carol Test, *1992-10-26)
 >>> carol_yaml = '''
 ... !person
 ... identifier: carol
-... name: Carol Test 
+... name: Carol Test
 ... birth_date: 1992-10-26
 ... '''
 >>> collection = yamily.PersonCollection()
@@ -90,6 +90,13 @@ name: Alice Test
 
 ```
 
+### Plot Family Tree
+
+```sh
+$ yamily-dot . > tree.dot
+$ dot -Tpdf -O tree.dot
+```
+
 ## Develop
 
 ```sh

tests/cli/_dot_test.py

@@ -26,4 +26,4 @@ def test__dot_recurse_dir(capsys):
     _dot()
     out, err = capsys.readouterr()
     assert not err
-    assert out == pathlib.Path("persons").joinpath("digraph.gz").read_text()
+    assert out == pathlib.Path("persons").joinpath("digraph.dot").read_text()