gistfile1.go

package main

import ( 08 "os"; 09 "flag"; // command line option parser 10 )

var omitNewline = flag.Bool("n", false, "don't print final newline")

const ( 15 Space = " "; 16 Newline = "\n"; 17 )

func main() { 
	flag.Parse(); 
	var s string = ""; 
	for i := 0; i < flag.NArg(); i++ { 
		if i > 0 { 
			s += Space 
		}
		s += flag.Arg(i);
	}
	if !*omitNewline {
		s += Newline
	} 
	os.Stdout.WriteString(s);
}