// Copyright 2018 The Bazel Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

// Package fileutils provides utility functions to work with files.
package fileutils

import (
	"io"
	"os"
)

// Copy will copy a file.
func Copy(in, out string) error {
	inF, err := os.Open(in)
	if err != nil {
		return err
	}
	outF, err := os.Create(out)
	if err != nil {
		return err
	}
	_, err = io.Copy(outF, inF)
	return err
}