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go/doc/progs/echo.go
Russ Cox c62b3265a7 apply gofmt to the LGTM-marked files from 34501
that have not changed since I applied gofmt.

R=gri
DELTA=456  (77 added, 3 deleted, 376 changed)
OCL=35378
CL=35383
2009-10-06 11:42:55 -07:00

33 lines
557 B
Go

// 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";
)
var n_flag = flag.Bool("n", false, "don't print final newline")
const (
kSpace = " ";
kNewline = "\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 += kSpace;
}
s += flag.Arg(i);
}
if !*n_flag {
s += kNewline;
}
os.Stdout.WriteString(s);
}