Implement imctl command-line tool with sub-command

cmd/imctl/imctl.go

@@ -0,0 +1,45 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	// Add other necessary packages here
+)
+
+func main() {
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "Usage: imctl [command] [options]\n")
+		fmt.Fprintf(os.Stderr, "Commands:\n")
+		// Add sub-commands and their descriptions here
+		fmt.Fprintf(os.Stderr, "\nOptions:\n")
+		// Add options and their descriptions here
+	}
+
+	// Define flags and options for each sub-command
+	// Set default values and usage messages for each flag and option
+
+	flag.Parse()
+
+	if flag.NArg() < 1 {
+		flag.Usage()
+		os.Exit(1)
+	}
+
+	command := flag.Arg(0)
+
+	switch command {
+	case "user":
+		// Call function to handle user management sub-command
+	case "monitor":
+		// Call function to handle system monitoring sub-command
+	case "debug":
+		// Call function to handle debugging sub-command
+	case "config":
+		// Call function to handle configuration sub-command
+	default:
+		fmt.Fprintf(os.Stderr, "Unknown command: %s\n", command)
+		flag.Usage()
+		os.Exit(1)
+	}
+}