/*-------------------------------------------------------
 * echo.go - echos the command line
 *-------------------------------------------------------
 * Demonstrates use of two packages fmt and os
 * Jim Fawcett, CSE775 - Distributed Objects, Spring 2016
 *--------------------------------------------------------
 */
package main

import (
  "fmt"  // defines Println https://golang.org/pkg/fmt/
  "os"   // defines os.Args https://golang.org/pkg/os/
)

func main() {
  var s, sep string  // declaring two strings
  for i := 1; i < len(os.Args); i++ {
    s += sep + os.Args[i]
    sep = " "        // can use before definition
  }
  fmt.Println(s)
}