add -dedupe to move dupe TODO and SCHEDULED to DONE

cmd/config.go

@@ -22,6 +22,7 @@ type config struct {
 	addTags     string
 	dryRun      bool
 	archive     string
+	dedupe      bool
 }
 
 func getConfig() config {
@@ -39,6 +40,7 @@ func getConfig() config {
 	flag.StringVar(&tagss, "tags", "", "csv of all tags to find, -x to invert")
 	flag.StringVar(&config.search, "search", "", "fts case insensitive")
 	flag.BoolVar(&config.edit, "e", false, "edit file")
+	flag.BoolVar(&config.dedupe, "dedupe", false, "dedupe file")
 	flag.BoolVar(&config.dryRun, "dry-run", false, "dry run")
 	flag.StringVar(&config.add, "add", "", "todo to add")
 	flag.StringVar(&config.addSchedule, "add-schedule", "", "todo to add schedule")