1// this package implements a server-based question and answer system
 2package main
 3
 4import (
 5	"fmt"
 6	"os"
 7)
 8
 9// main handles starting the application
10// the default behavior prints a usage statement
11func main() {
12	if len(os.Args) < 1 {
13		ExecuteClient()
14	}
15	switch os.Args[len(os.Args)-1] {
16	case "server":
17		ExecuteServer()
18	case "client":
19		ExecuteClient()
20	default:
21		fmt.Printf("Usage: %s [options] [client | server]\n", os.Args[0])
22		ExecuteClient()
23	}
24}