github.com/blend/go-sdk@v1.20220411.3/sourceutil/copy.go (about) 1 /* 2 3 Copyright (c) 2022 - Present. Blend Labs, Inc. All rights reserved 4 Use of this source code is governed by a MIT license that can be found in the LICENSE file. 5 6 */ 7 8 package sourceutil 9 10 import ( 11 "context" 12 "io" 13 "os" 14 ) 15 16 // Copy copies a file from a source to a destination. 17 func Copy(ctx context.Context, destination, source string) error { 18 // Debugf(ctx, "copying %s to %s", source, destination) 19 sourceReader, err := os.Open(source) 20 if err != nil { 21 return err 22 } 23 defer sourceReader.Close() 24 destinationWriter, err := os.Create(destination) 25 if err != nil { 26 return err 27 } 28 defer destinationWriter.Close() 29 _, err = io.Copy(destinationWriter, sourceReader) 30 if err != nil { 31 return err 32 } 33 return nil 34 }