M README.md → README.md

@@ -2,8 +2,8 @@ # TODO.txt in Go
 
 ## TODO
 
-- [ ] Use *todo.txt* file targeted by todo-txt.sh config
-- [ ] Implement archive mecanism
+- [x] Use *todo.txt* file targeted by todo-txt.sh config
+- [x] Implement archive mecanism
 
 ## Ressources
 

M config.go → config.go

@@ -9,6 +9,7 @@ 
 type config struct {
 	todoDir      string
 	taskFilePath string
+	doneFilePath string
 }
 
 func NewConfig() config {
@@ -22,6 +23,7 @@ 
 	_ = os.MkdirAll(todoDir, os.ModePerm)
 
 	taskFilePath := filepath.Join(todoDir, "todo.txt")
+	doneFilePath := filepath.Join(todoDir, "done.txt")
 
 	if _, err := os.Stat(taskFilePath); os.IsNotExist(err) {
 		_, e := os.Create(taskFilePath)
@@ -34,5 +36,6 @@ 
 	return config{
 		todoDir:      todoDir,
 		taskFilePath: taskFilePath,
+		doneFilePath: doneFilePath,
 	}
 }

M main.go → main.go

@@ -134,6 +134,16 @@ }
 				}
 
 			case key.Matches(msg, m.keys.Clean):
+				m.selected = make(map[int]struct{})
+				doneTasks := m.tasks.Filter(todo.FilterCompleted)
+				doneFile, err := os.OpenFile(m.config.doneFilePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+				if err != nil {
+					log.Fatal("Can't write done tasks to " + m.config.doneFilePath)
+				}
+				defer doneFile.Close()
+				if writeErr := doneTasks.WriteToFile(doneFile); writeErr != nil {
+					log.Fatal(writeErr)
+				}
 				m.tasks = m.tasks.Filter(todo.FilterNotCompleted)
 				m.selected = make(map[int]struct{})
 				for i, t := range m.tasks {