Download objects into memory

namespacegcs=::google::cloud::storage;
[](gcs::Clientclient,std::stringconst&bucket_name,
std::stringconst&object_name){
gcs::ObjectReadStreamstream=client.ReadObject(bucket_name,object_name);
std::stringbuffer{std::istreambuf_iterator<char>(stream),
std::istreambuf_iterator<char>()};
if(stream.bad())throwgoogle::cloud::Status(stream.status());
std::cout << "The object has " << buffer.size() << " characters\n";
}

usingGoogle.Cloud.Storage.V1 ;
usingSystem;
usingSystem.IO;
publicclassDownloadObjectIntoMemorySample
{
publicStreamDownloadObjectIntoMemory(
stringbucketName="unique-bucket-name",
stringobjectName="file-name")
{
varstorage=StorageClient .Create ();
Streamstream=newMemoryStream();
storage.DownloadObject(bucketName,objectName,stream);
Console.WriteLine($"The contents of {objectName} from bucket {bucketName} are downloaded");
returnstream;
}
}

import(
"context"
"fmt"
"io"
"time"
"cloud.google.com/go/storage"
)
// downloadFileIntoMemory downloads an object.
funcdownloadFileIntoMemory(wio.Writer ,bucket,objectstring)([]byte,error){
// bucket := "bucket-name"
// object := "object-name"
ctx:=context.Background()
client,err:=storage.NewClient(ctx)
iferr!=nil{
returnnil,fmt.Errorf("storage.NewClient: %w",err)
}
deferclient.Close()
ctx,cancel:=context.WithTimeout(ctx,time.Second*50)
defercancel()
rc,err:=client.Bucket (bucket).Object (object).NewReader (ctx)
iferr!=nil{
returnnil,fmt.Errorf("Object(%q).NewReader: %w",object,err)
}
deferrc.Close()
data,err:=io.ReadAll(rc)
iferr!=nil{
returnnil,fmt.Errorf("io.ReadAll: %w",err)
}
fmt.Fprintf(w,"Blob %v downloaded.\n",object)
returndata,nil
}

importcom.google.cloud.storage.Storage ;
importcom.google.cloud.storage.StorageOptions ;
importjava.nio.charset.StandardCharsets;
publicclass DownloadObjectIntoMemory{
publicstaticvoiddownloadObjectIntoMemory(
StringprojectId,StringbucketName,StringobjectName){
// The ID of your GCP project
// String projectId = "your-project-id";
// The ID of your GCS bucket
// String bucketName = "your-unique-bucket-name";
// The ID of your GCS object
// String objectName = "your-object-name";
Storage storage=StorageOptions .newBuilder().setProjectId(projectId).build().getService ();
byte[]content=storage.readAllBytes (bucketName,objectName);
System.out.println(
"The contents of "
+objectName
+" from bucket name "
+bucketName
+" are: "
+newString(content,StandardCharsets.UTF_8));
}
}

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// The ID of your GCS bucket
// const bucketName = 'your-unique-bucket-name';
// The ID of your GCS file
// const fileName = 'your-file-name';
// Imports the Google Cloud client library
const{Storage}=require('@google-cloud/storage');
// Creates a client
conststorage=newStorage();
asyncfunctiondownloadIntoMemory(){
// Downloads the file into a buffer in memory.
constcontents=awaitstorage.bucket(bucketName).file(fileName).download ();
console.log(
`Contents of gs://${bucketName}/${fileName} are ${contents.toString()}.`
);
}
downloadIntoMemory().catch(console.error);

use Google\Cloud\Storage\StorageClient;
/**
 * Download an object from Cloud Storage and save into a buffer in memory.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 * (e.g. 'my-bucket')
 * @param string $objectName The name of your Cloud Storage object.
 * (e.g. 'my-object')
 */
function download_object_into_memory(
 string $bucketName,
 string $objectName
): void {
 $storage = new StorageClient();
 $bucket = $storage->bucket($bucketName);
 $object = $bucket->object($objectName);
 $contents = $object->downloadAsString();
 printf(
 'Downloaded %s from gs://%s/%s' . PHP_EOL,
 $contents,
 $bucketName,
 $objectName
 );
}

fromgoogle.cloudimport storage
defdownload_blob_into_memory(bucket_name, blob_name):
"""Downloads a blob into memory."""
 # The ID of your GCS bucket
 # bucket_name = "your-bucket-name"
 # The ID of your GCS object
 # blob_name = "storage-object-name"
 storage_client = storage .Client ()
 bucket = storage_client.bucket (bucket_name)
 # Construct a client side representation of a blob.
 # Note `Bucket.blob` differs from `Bucket.get_blob` as it doesn't retrieve
 # any content from Google Cloud Storage. As we don't need additional data,
 # using `Bucket.blob` is preferred here.
 blob = bucket.blob(blob_name)
 contents = blob.download_as_bytes ()
 print(
 "Downloaded storage object {} from bucket {} as the following bytes object: {}.".format(
 blob_name, bucket_name, contents.decode("utf-8")
 )
 )

# The name of the bucket to access
# bucket_name = "my-bucket"
# The name of the remote file to download
# file_name = "file.txt"
require"google/cloud/storage"
storage=Google::Cloud::Storage .new
bucket=storage.bucketbucket_name,skip_lookup:true
file=bucket.file file_name
downloaded=file.download
downloaded.rewind# Optional - not needed on first read
contents=downloaded.read
puts"Contents of storage object #{file.name} in bucket #{bucket_name} are: #{contents}"