accept dir for http args

src/ledger/transaction.go

@@ -35,8 +35,8 @@ func (t transactionRecipient) empty() bool {
 
 func (files Files) transactions() ([]transaction, error) {
 	result := make([]transaction, 0)
-	for i := range files {
-		some, err := files._transactions(files[i])
+	for _, path := range files.paths() {
+		some, err := files._transactions(path)
 		if err != nil {
 			return nil, err
 		}