Added ReadDirRecursive method

Author: silvanocerza

paths.go

@@ -302,6 +302,30 @@ func (p *Path) ReadDir() (PathList, error) {
 	return paths, nil
 }
 
+// ReadDirRecursive returns a PathList containing the content of the directory
+// and its subdirectories pointed by the current Path
+func (p *Path) ReadDirRecursive() (PathList, error) {
+	infos, err := ioutil.ReadDir(p.path)
+	if err != nil {
+		return nil, err
+	}
+	paths := PathList{}
+	for _, info := range infos {
+		path := p.Clone().Join(info.Name())
+		paths.Add(path)
+
+		if path.IsDir() {
+			subPaths, err := path.ReadDirRecursive()
+			if err != nil {
+				return nil, err
+			}
+			paths.AddAll(subPaths)
+		}
+
+	}
+	return paths, nil
+}
+
 // CopyTo copies the contents of the file named src to the file named
 // by dst. The file will be created if it does not already exist. If the
 // destination file exists, all it's contents will be replaced by the contents

paths_test.go

@@ -243,3 +243,26 @@ func TestParents(t *testing.T) {
 	require.Equal(t, "a", parents2[3].String())
 	require.Equal(t, ".", parents2[4].String())
 }
+
+func TestReadDirRecursive(t *testing.T) {
+	testPath := New("_testdata")
+
+	list, err := testPath.ReadDirRecursive()
+	require.NoError(t, err)
+	require.Len(t, list, 14)
+
+	require.Equal(t, "_testdata/anotherFile", list[0].String())
+	require.Equal(t, "_testdata/file", list[1].String())
+	require.Equal(t, "_testdata/folder", list[2].String())
+	require.Equal(t, "_testdata/folder/.hidden", list[3].String())
+	require.Equal(t, "_testdata/folder/file2", list[4].String())
+	require.Equal(t, "_testdata/folder/file3", list[5].String())
+	require.Equal(t, "_testdata/folder/subfolder", list[6].String())
+	require.Equal(t, "_testdata/folder/subfolder/file4", list[7].String())
+	require.Equal(t, "_testdata/symlinktofolder", list[8].String())
+	require.Equal(t, "_testdata/symlinktofolder/.hidden", list[9].String())
+	require.Equal(t, "_testdata/symlinktofolder/file2", list[10].String())
+	require.Equal(t, "_testdata/symlinktofolder/file3", list[11].String())
+	require.Equal(t, "_testdata/symlinktofolder/subfolder", list[12].String())
+	require.Equal(t, "_testdata/symlinktofolder/subfolder/file4", list[13].String())
+}