I've been tinkering w/ the AWS Go SDK to get used to it ... this is one method using the GetObject API; see the full gist for a working example
https://gist.github.com/jboelter/6f5bd598673eb0e606f10660495fc175 s3Svc := s3.New(awsSession) result, err := s3Svc.GetObject(&s3.GetObjectInput{ Bucket: aws.String(bucket), Key: aws.String(key), }) if err != nil { fmt.Fprintln(os.Stderr, err) os.Exit(1) } n, err := io.Copy(os.Stdout, result.Body) result.Body.Close() On Wednesday, June 29, 2016 at 3:35:39 PM UTC-7, Walter Garcia wrote: > > Hello all. > > Im new using AWS SDK in go and Im need download file object from S3 to > Stdout and not create a file. > For example: > my_download_s3_program > file.txt > or > my_download_s3_program | tar > etc > > So, I can download to file, but I need stream on the fly to stdout, it's > possible? > > This example write a file: > ---------------------------------------------------------------------- > file, err := os.Create("download_file.txt") > if err != nil { > fmt.Println("Failed to create file", err) > os.Exit(4) > } > defer file.Close() > > key := path.Join(prefix, filename) > > downloader := > s3manager.NewDownloader(session.New(&aws.Config{Region: > aws.String("us-west-2")})) > numBytes, err := downloader.Download(f, > &s3.GetObjectInput{ > Bucket: aws.String(bucket), > Key: aws.String(key), > }) > if err != nil { > fmt.Println("Failed to download file", err) > os.Exit(5) > } > > fmt.Println("Downloaded file", file.Name(), numBytes, "bytes") > > ---------------------------------------------------------------------- > > How can modify this example to stream to stdout? > > Well, thanks in advance. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
