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go/doc/progs/helloworld3.go
2011-04-18 10:51:40 -07:00

22 lines
414 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("hello, world\n")
file.Stdout.Write(hello)
f, err := file.Open("/does/not/exist")
if f == nil {
fmt.Printf("can't open file; err=%s\n", err.String())
os.Exit(1)
}
}