| // Copyright 2009 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package main |
| |
| import ( |
| "os" |
| "flag" // command line option parser |
| ) |
| |
| var omitNewline = flag.Bool("n", false, "don't print final newline") |
| |
| const ( |
| Space = " " |
| Newline = "\n" |
| ) |
| |
| func main() { |
| flag.Parse() // Scans the arg list and sets up flags |
| 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) |
| } |
