Skipped reading of config file if all connection parameters are specified via command line arguments.

go-sendxmpp.go

@@ -157,8 +157,8 @@ func readMessage(messageFilePath string) (string, error) {
 func main() {
 
 	var (
-		err     error
-		message string
+		err                             error
+		message, user, server, password string
 	)
 
 	// Define command line flags.
@@ -205,20 +205,6 @@ func main() {
 		recipients[i] = validatedJid
 	}
 
-	// Read configuration from file.
-	config, err := parseConfig(*flagFile)
-	if err != nil {
-		log.Println("Error parsing ", *flagFile, ": ", err)
-	}
-
-	// Set connection options according to config.
-	user := config.username
-	server := config.jserver
-	password := config.password
-	if config.port != "" {
-		server = server + ":" + config.port
-	}
-
 	// Overwrite user if specified via command line flag.
 	if *flagUser != "" {
 		user = *flagUser
@@ -234,6 +220,21 @@ func main() {
 		password = *flagPassword
 	}
 
+	if *flagUser == "" || *flagServer == "" || *flagPassword == "" {
+		// Read configuration from file.
+		config, err := parseConfig(*flagFile)
+		if err != nil {
+			log.Println("Error parsing ", *flagFile, ": ", err)
+		}
+		// Set connection options according to config.
+		user = config.username
+		server = config.jserver
+		password = config.password
+		if config.port != "" {
+			server = server + ":" + config.port
+		}
+	}
+
 	// Set XMPP connection options.
 	options := xmpp.Options{
 		Host:     server,