Delete an object

  namespace 
  
 gcs 
  
 = 
  
 :: 
 google 
 :: 
 cloud 
 :: 
 storage 
 ; 
 []( 
 gcs 
 :: 
 Client 
  
 client 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 bucket_name 
 , 
  
 std 
 :: 
 string 
  
 const 
&  
 object_name 
 ) 
  
 { 
  
 google 
 :: 
 cloud 
 :: 
 Status 
  
 status 
  
 = 
  
 client 
 . 
 DeleteObject 
 ( 
 bucket_name 
 , 
  
 object_name 
 ); 
  
 if 
  
 ( 
 ! 
 status 
 . 
 ok 
 ()) 
  
 throw 
  
 std 
 :: 
 runtime_error 
 ( 
 status 
 . 
 message 
 ()); 
  
 std 
 :: 
 cout 
 << 
 "Deleted " 
 << 
 object_name 
 << 
 " in bucket " 
 << 
 bucket_name 
 << 
 " 
 \n 
 " 
 ; 
 } 
 

  using 
  
  Google.Cloud.Storage.V1 
 
 ; 
 using 
  
 System 
 ; 
 public 
  
 class 
  
 DeleteFileSample 
 { 
  
 public 
  
 void 
  
 DeleteFile 
 ( 
  
 string 
  
 bucketName 
  
 = 
  
 "your-unique-bucket-name" 
 , 
  
 string 
  
 objectName 
  
 = 
  
 "your-object-name" 
 ) 
  
 { 
  
 var 
  
 storage 
  
 = 
  
  StorageClient 
 
 . 
  Create 
 
 (); 
  
 storage 
 . 
 DeleteObject 
 ( 
 bucketName 
 , 
  
 objectName 
 ); 
  
 Console 
 . 
 WriteLine 
 ( 
 $"Deleted {objectName}." 
 ); 
  
 } 
 } 
 

  import 
  
 ( 
  
 "context" 
  
 "fmt" 
  
 "io" 
  
 "time" 
  
 "cloud.google.com/go/storage" 
 ) 
 // deleteFile removes specified object. 
 func 
  
 deleteFile 
 ( 
 w 
  
 io 
 . 
  Writer 
 
 , 
  
 bucket 
 , 
  
 object 
  
 string 
 ) 
  
 error 
  
 { 
  
 // bucket := "bucket-name" 
  
 // object := "object-name" 
  
 ctx 
  
 := 
  
 context 
 . 
 Background 
 () 
  
 client 
 , 
  
 err 
  
 := 
  
 storage 
 . 
 NewClient 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "storage.NewClient: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 defer 
  
 client 
 . 
 Close 
 () 
  
 ctx 
 , 
  
 cancel 
  
 := 
  
 context 
 . 
 WithTimeout 
 ( 
 ctx 
 , 
  
 time 
 . 
 Second 
 * 
 10 
 ) 
  
 defer 
  
 cancel 
 () 
  
 o 
  
 := 
  
 client 
 . 
  Bucket 
 
 ( 
 bucket 
 ). 
  Object 
 
 ( 
 object 
 ) 
  
 // Optional: set a generation-match precondition to avoid potential race 
  
 // conditions and data corruptions. The request to delete the file is aborted 
  
 // if the object's generation number does not match your precondition. 
  
 attrs 
 , 
  
 err 
  
 := 
  
 o 
 . 
 Attrs 
 ( 
 ctx 
 ) 
  
 if 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "object.Attrs: %w" 
 , 
  
 err 
 ) 
  
 } 
  
 o 
  
 = 
  
 o 
 . 
 If 
 ( 
 storage 
 . 
  Conditions 
 
 { 
 GenerationMatch 
 : 
  
 attrs 
 . 
  Generation 
 
 }) 
  
 if 
  
 err 
  
 := 
  
 o 
 . 
 Delete 
 ( 
 ctx 
 ); 
  
 err 
  
 != 
  
 nil 
  
 { 
  
 return 
  
 fmt 
 . 
 Errorf 
 ( 
 "Object(%q).Delete: %w" 
 , 
  
 object 
 , 
  
 err 
 ) 
  
 } 
  
 fmt 
 . 
 Fprintf 
 ( 
 w 
 , 
  
 "Blob %v deleted.\n" 
 , 
  
 object 
 ) 
  
 return 
  
 nil 
 } 
 

  import 
  
 com.google.cloud.storage. Blob 
 
 ; 
 import 
  
 com.google.cloud.storage. BlobId 
 
 ; 
 import 
  
 com.google.cloud.storage. Storage 
 
 ; 
 import 
  
 com.google.cloud.storage. StorageOptions 
 
 ; 
 public 
  
 class 
 DeleteObject 
  
 { 
  
 public 
  
 static 
  
 void 
  
 deleteObject 
 ( 
 String 
  
 projectId 
 , 
  
 String 
  
 bucketName 
 , 
  
 String 
  
 objectName 
 ) 
  
 { 
  
 // 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 
 
 (); 
  
  Blob 
 
  
 blob 
  
 = 
  
 storage 
 . 
  get 
 
 ( 
 bucketName 
 , 
  
 objectName 
 ); 
  
 if 
  
 ( 
 blob 
  
 == 
  
 null 
 ) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "The object " 
  
 + 
  
 objectName 
  
 + 
  
 " wasn't found in " 
  
 + 
  
 bucketName 
 ); 
  
 return 
 ; 
  
 } 
  
  BlobId 
 
  
 idWithGeneration 
  
 = 
  
 blob 
 . 
  getBlobId 
 
 (); 
  
 // Deletes the blob specified by its id. When the generation is present and non-null it will be 
  
 // specified in the request. 
  
 // If versioning is enabled on the bucket and the generation is present in the delete request, 
  
 // only the version of the object with the matching generation will be deleted. 
  
 // If instead you want to delete the current version, the generation should be dropped by 
  
 // performing the following. 
  
 // BlobId idWithoutGeneration = 
  
 //    BlobId.of(idWithGeneration.getBucket(), idWithGeneration.getName()); 
  
 // storage.delete(idWithoutGeneration); 
  
 storage 
 . 
  delete 
 
 ( 
 idWithGeneration 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Object " 
  
 + 
  
 objectName 
  
 + 
  
 " was permanently deleted from " 
  
 + 
  
 bucketName 
 ); 
  
 } 
 } 
 

  /** 
 * 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 
 const 
  
 storage 
  
 = 
  
 new 
  
 Storage 
 (); 
 // Optional: 
 // Set a generation-match precondition to avoid potential race conditions 
 // and data corruptions. The request to delete is aborted if the object's 
 // generation number does not match your precondition. For a destination 
 // object that does not yet exist, set the ifGenerationMatch precondition to 0 
 // If the destination object already exists in your bucket, set instead a 
 // generation-match precondition using its generation number. 
 const 
  
 deleteOptions 
  
 = 
  
 { 
  
 ifGenerationMatch 
 : 
  
 generationMatchPrecondition 
 , 
 }; 
 async 
  
 function 
  
 deleteFile 
 () 
  
 { 
  
 await 
  
 storage 
 . 
 bucket 
 ( 
 bucketName 
 ). 
 file 
 ( 
 fileName 
 ). 
 delete 
 ( 
 deleteOptions 
 ); 
  
 console 
 . 
 log 
 ( 
 `gs:// 
 ${ 
 bucketName 
 } 
 / 
 ${ 
 fileName 
 } 
 deleted` 
 ); 
 } 
 deleteFile 
 (). 
 catch 
 ( 
 console 
 . 
 error 
 ); 
 

  use Google\Cloud\Storage\StorageClient; 
 /** 
 * Delete an object. 
 * 
 * @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 delete_object(string $bucketName, string $objectName): void 
 { 
 $storage = new StorageClient(); 
 $bucket = $storage->bucket($bucketName); 
 $object = $bucket->object($objectName); 
 $object->delete(); 
 printf('Deleted gs://%s/%s' . PHP_EOL, $bucketName, $objectName); 
 } 
 

  from 
  
 google.cloud 
  
 import 
  storage 
 
 def 
  
 delete_blob 
 ( 
 bucket_name 
 , 
 blob_name 
 ): 
  
 """Deletes a blob from the bucket.""" 
 # bucket_name = "your-bucket-name" 
 # blob_name = "your-object-name" 
 storage_client 
 = 
  storage 
 
 . 
  Client 
 
 () 
 bucket 
 = 
 storage_client 
 . 
  bucket 
 
 ( 
 bucket_name 
 ) 
 blob 
 = 
 bucket 
 . 
 blob 
 ( 
 blob_name 
 ) 
 generation_match_precondition 
 = 
 None 
 # Optional: set a generation-match precondition to avoid potential race conditions 
 # and data corruptions. The request to delete is aborted if the object's 
 # generation number does not match your precondition. 
 blob 
 . 
 reload 
 () 
 # Fetch blob metadata to use in generation_match_precondition. 
 generation_match_precondition 
 = 
 blob 
 . 
 generation 
 blob 
 . 
 delete 
 ( 
 if_generation_match 
 = 
 generation_match_precondition 
 ) 
 print 
 ( 
 f 
 "Blob 
 { 
 blob_name 
 } 
 deleted." 
 ) 
 

  def 
  
 delete_file 
  
 bucket_name 
 :, 
  
 file_name 
 : 
  
 # The ID of your GCS bucket 
  
 # bucket_name = "your-unique-bucket-name" 
  
 # The ID of your GCS object 
  
 # file_name = "your-file-name" 
  
 require 
  
 "google/cloud/storage" 
  
 storage 
  
 = 
  
 Google 
 :: 
 Cloud 
 :: 
  Storage 
 
 . 
  new 
 
  
 bucket 
  
 = 
  
 storage 
 . 
 bucket 
  
 bucket_name 
 , 
  
 skip_lookup 
 : 
  
 true 
  
 file 
  
 = 
  
 bucket 
 . 
  file 
 
  
 file_name 
  
 file 
 . 
 delete 
  
 puts 
  
 "Deleted 
 #{ 
 file 
 . 
 name 
 } 
 " 
 end