1// Copyright 2018 The Bazel Authors. All rights reserved. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15// Package fileutils provides utility functions to work with files. 16package fileutils 17 18import ( 19 "io" 20 "os" 21) 22 23// Copy will copy a file. 24func Copy(in, out string) error { 25 inF, err := os.Open(in) 26 if err != nil { 27 return err 28 } 29 outF, err := os.Create(out) 30 if err != nil { 31 return err 32 } 33 _, err = io.Copy(outF, inF) 34 return err 35} 36