go/doc/progs/helloworld3.go
2009-12-16 10:29:53 +11:00

22 lines
476 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 (
"./file"
"fmt"
"os"
)
func main() {
hello := []byte{'h', 'e', 'l', 'l', 'o', ',', ' ', 'w', 'o', 'r', 'l', 'd', '\n'}
file.Stdout.Write(hello)
file, err := file.Open("/does/not/exist", 0, 0)
if file == nil {
fmt.Printf("can't open file; err=%s\n", err.String())
os.Exit(1)
}
}