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moveFile.js
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moveFile.js
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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* This application demonstrates how to perform basic operations on files with
* the Google Cloud Storage API.
*
* For more information, see the README.md under /storage and the documentation
* at https://cloud.google.com/storage/docs.
*/
function main(
bucketName = 'my-bucket',
srcFileName = 'test.txt',
destFileName = 'test2.txt',
destinationGenerationMatchPrecondition = 0
) {
// [START storage_move_file]
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
// The ID of your GCS bucket
// const bucketName = 'your-source-bucket';
// The ID of your GCS file
// const srcFileName = 'your-file-name';
// The new ID for your GCS file
// const destFileName = 'your-new-file-name';
// Imports the Google Cloud client library
const {Storage} = require('@google-cloud/storage');
// Creates a client
const storage = new Storage();
async function moveFile() {
// Optional:
// Set a generation-match precondition to avoid potential race conditions
// and data corruptions. The request to copy 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 moveOptions = {
preconditionOpts: {
ifGenerationMatch: destinationGenerationMatchPrecondition,
},
};
// Moves the file within the bucket
await storage
.bucket(bucketName)
.file(srcFileName)
.move(destFileName, moveOptions);
console.log(
`gs://${bucketName}/${srcFileName} moved to gs://${bucketName}/${destFileName}`
);
}
moveFile().catch(console.error);
// [END storage_move_file]
}
main(...process.argv.slice(2));