support _ and $

main.go

@@ -13,6 +13,8 @@ import (
 var (
 	rootDir        string
 	executeCommand string
+	lastPath       string
+	lastKey        string
 )
 
 func main() {
@@ -86,6 +88,21 @@ func ExecuteCommand(db zordfsdb.DB, commands string) error {
 	for _, command := range strings.Split(commands, ";") {
 		command = strings.Trim(command, " ")
 		parts := strings.Split(command, " ")
+		if len(parts) > 1 {
+			if lastPath != "" {
+				if parts[1] == "_" {
+					parts[1] = lastPath
+				} else {
+					parts[1] = strings.Replace(parts[1], "_.", lastPath+".", 1)
+				}
+			}
+
+			if lastKey != "" {
+				parts[1] = strings.Replace(parts[1], "$", lastKey, 1)
+			}
+
+			lastPath = parts[1]
+		}
 
 		switch strings.ToUpper(parts[0]) {
 		case "KEYS":
@@ -284,6 +301,7 @@ func ExecuteCommand(db zordfsdb.DB, commands string) error {
 			} else {
 				fmt.Printf("{%s} ADDED with ID: %s\n", parts[1], id)
 				fmt.Println("")
+				lastKey = id
 			}
 			break