func ExampleOpen() {
s3util.DefaultConfig.AccessKey = "...access key..."
s3util.DefaultConfig.SecretKey = "...secret key..."
r, _ := s3util.Open("https://mybucket.s3.amazonaws.com/log.txt", nil)
w, _ := os.Create("out.txt")
io.Copy(w, r)
w.Close()
}
// download downloads a file from an s3 bucket.
func download(bucket, sourceFile, destFile string, config *s3util.Config) error {
headers := http.Header{}
headers.Add("x-amz-acl", "private")
s3File, err := s3util.Open(generateS3Url(bucket, sourceFile), config)
if err != nil {
return err
}
defer s3File.Close()
// open the local file to download to
localFile, err := os.Create(destFile)
if err != nil {
return err
}
defer localFile.Close()
// copy the file
_, err = io.Copy(localFile, s3File)
return err
}