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s3_list_objects.go

Lists the items in an S3 bucket.

/* Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved. This file is licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the License. A copy of the License is located at http://aws.amazon.com/apache2.0/ This file 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. */ package main import ( "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/aws/session" "github.com/aws/aws-sdk-go/service/s3" "fmt" "os" ) // Lists the items in the specified S3 Bucket // // Usage: // go run s3_list_objects.go BUCKET_NAME func main() { if len(os.Args) != 2 { exitErrorf("Bucket name required\nUsage: %s bucket_name", os.Args[0]) } bucket := os.Args[1] // Initialize a session in us-west-2 that the SDK will use to load // credentials from the shared credentials file ~/.aws/credentials. sess, err := session.NewSession(&aws.Config{ Region: aws.String("us-west-2")}, ) // Create S3 service client svc := s3.New(sess) // Get the list of items resp, err := svc.ListObjects(&s3.ListObjectsInput{Bucket: aws.String(bucket)}) if err != nil { exitErrorf("Unable to list items in bucket %q, %v", bucket, err) } for _, item := range resp.Contents { fmt.Println("Name: ", *item.Key) fmt.Println("Last modified:", *item.LastModified) fmt.Println("Size: ", *item.Size) fmt.Println("Storage class:", *item.StorageClass) fmt.Println("") } fmt.Println("Found", len(resp.Contents), "items in bucket", bucket) fmt.Println("") } func exitErrorf(msg string, args ...interface{}) { fmt.Fprintf(os.Stderr, msg+"\n", args...) os.Exit(1) }

Sample Details

Service: s3

Last tested: 2018-03-16

Author: Doug-AWS

Type: full-example

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