#18 Updated REPL multiline

cmd/cli/app/repl.go

@@ -28,6 +28,7 @@ func Repl(version string, opts Options) {
 	defer rl.Close()
 
 	var commands []string
+	var multiline bool
 
 	timer := NewTimer()
 
@@ -44,16 +45,25 @@ func Repl(version string, opts Options) {
 			continue
 		}
 
-		if strings.HasSuffix(line, "\\") {
+		if strings.HasPrefix(line, "%") {
-			commands = append(commands, line[:len(line)-1])
+			line = line[1:]
+
+			multiline = !multiline
+		}
+
+		if multiline {
+			commands = append(commands, line)
 			continue
 		}
 
 		commands = append(commands, line)
-		query := strings.Join(commands, "\n")
+		query := strings.TrimSpace(strings.Join(commands, "\n"))
-
 		commands = make([]string, 0, 10)
 
+		if query == "" {
+			continue
+		}
+
 		program, err := ferret.Compile(query)
 
 		if err != nil {

cmd/cli/main.go

@@ -83,10 +83,12 @@ func main() {
 		cdpConn,
 	}
 
-	// check whether the app is getting a query via standard input
+	stat, _ := os.Stdin.Stat()
-	std := bufio.NewReader(os.Stdin)
+
+	if (stat.Mode() & os.ModeCharDevice) == 0 {
+		// check whether the app is getting a query via standard input
+		std := bufio.NewReader(os.Stdin)
 
-	if std.Size() > 0 {
 		b, err := ioutil.ReadAll(std)
 
 		if err != nil {