small cosmetics fixes

demon.go

@@ -43,7 +43,6 @@ func filter(history []string, text string) []string {
 }
 
 func listen(history []string, histfile string, persist bool, max int) error {
-
 	for {
 
 		t, err := exec.Command("wl-paste", []string{"-n", "-t", "text"}...).Output()
@@ -72,7 +71,6 @@ func listen(history []string, histfile string, persist bool, max int) error {
 			}
 
 			// remove duplicates
-			// consider doing this in the frontend, for sparing resources
 			history = filter(history, text)
 
 		}
@@ -98,5 +96,4 @@ func listen(history []string, histfile string, persist bool, max int) error {
 		// also because if we copied once, we might copy soon after.
 		time.Sleep(250 * time.Millisecond)
 	}
-
 }

main.go

@@ -18,11 +18,6 @@ var (
 	max        = app.Flag("max-items", "items to store in history (with -d) or display before scrolling (with -s)").Default("15").Int()
 )
 
-var (
-	histfile string
-	history  []string
-)
-
 func main() {
 	app.HelpFlag.Short('h')
 	kingpin.MustParse(app.Parse(os.Args[1:]))
@@ -34,8 +29,9 @@ func main() {
 	if err != nil {
 		log.Fatal(err)
 	}
-	histfile = path.Join(h, ".local/share/clipman.json")
+	histfile := path.Join(h, ".local/share/clipman.json")
 
+	var history []string
 	b, err := ioutil.ReadFile(histfile)
 	if err == nil {
 		if err := json.Unmarshal(b, &history); err != nil {

selector.go

@@ -8,7 +8,6 @@ import (
 )
 
 func selector(history []string, max int) error {
-
 	// reverse the history
 	for i, j := 0, len(history)-1; i < j; i, j = i+1, j-1 {
 		history[i], history[j] = history[j], history[i]
@@ -20,6 +19,7 @@ func selector(history []string, max int) error {
 		return nil
 	}
 
+	// serve selection to the OS
 	if err := exec.Command("wl-copy", selected).Run(); err != nil {
 		return err
 	}