support semicolon seperated command lines

weed/shell/shell_liner.go

@@ -45,42 +45,51 @@ func RunShell(options ShellOptions) {
 			return
 		}
 
-		cmds := reg.FindAllString(cmd, -1)
-		if len(cmds) == 0 {
-			continue
-		} else {
-			line.AppendHistory(cmd)
-
-			args := make([]string, len(cmds[1:]))
-
-			for i := range args {
-				args[i] = strings.Trim(string(cmds[1+i]), "\"'")
-			}
-
-			cmd := strings.ToLower(cmds[0])
-			if cmd == "help" || cmd == "?" {
-				printHelp(cmds)
-			} else if cmd == "exit" || cmd == "quit" {
+		for _, c := range strings.Split(cmd, ";") {
+			if processEachCmd(reg, c, commandEnv) {
 				return
-			} else {
-				foundCommand := false
-				for _, c := range Commands {
-					if c.Name() == cmd || c.Name() == "fs."+cmd {
-						if err := c.Do(args, commandEnv, os.Stdout); err != nil {
-							fmt.Fprintf(os.Stderr, "error: %v\n", err)
-						}
-						foundCommand = true
-					}
-				}
-				if !foundCommand {
-					fmt.Fprintf(os.Stderr, "unknown command: %v\n", cmd)
-				}
 			}
-
 		}
 	}
 }
 
+func processEachCmd(reg *regexp.Regexp, cmd string, commandEnv *CommandEnv) bool {
+	cmds := reg.FindAllString(cmd, -1)
+	if len(cmds) == 0 {
+		return false
+	} else {
+		line.AppendHistory(cmd)
+
+		args := make([]string, len(cmds[1:]))
+
+		for i := range args {
+			args[i] = strings.Trim(string(cmds[1+i]), "\"'")
+		}
+
+		cmd := strings.ToLower(cmds[0])
+		if cmd == "help" || cmd == "?" {
+			printHelp(cmds)
+		} else if cmd == "exit" || cmd == "quit" {
+			return true
+		} else {
+			foundCommand := false
+			for _, c := range Commands {
+				if c.Name() == cmd || c.Name() == "fs."+cmd {
+					if err := c.Do(args, commandEnv, os.Stdout); err != nil {
+						fmt.Fprintf(os.Stderr, "error: %v\n", err)
+					}
+					foundCommand = true
+				}
+			}
+			if !foundCommand {
+				fmt.Fprintf(os.Stderr, "unknown command: %v\n", cmd)
+			}
+		}
+
+	}
+	return false
+}
+
 func printGenericHelp() {
 	msg :=
 		`Type:	"help <command>" for help on <command>