initial commit

Author: EC2 Default User

.gitignore

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+*.swp
+*.*~
+project.lock.json
+.DS_Store
+*.pyc
+nupkg/
+
+# Visual Studio Code
+.vscode
+
+# Rider
+.idea
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+[Oo]ut/
+msbuild.log
+msbuild.err
+msbuild.wrn
+
+# Visual Studio 2015
+.vs/

MultiPartHelper.cs

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+using Amazon;
+using Amazon.S3;
+using Amazon.S3.Transfer;
+using System;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace S3
+{
+    public static class MultiPartHelper
+    {
+        // Specify your bucket region (an example region is shown).
+        private static readonly RegionEndpoint bucketRegion = RegionEndpoint.USEast1;
+        private static IAmazonS3 s3Client;
+
+      
+        public static async Task UploadFileAsync(string bucketName, string keyName, string filePath)
+        {
+            try
+            {
+                var fileTransferUtility =
+                    new TransferUtility(s3Client);
+
+                // Option 1. Upload a file. The file name is used as the object key name.
+                await fileTransferUtility.UploadAsync(filePath, bucketName);
+                Console.WriteLine("Upload 1 completed");
+
+                // Option 2. Specify object key name explicitly.
+                await fileTransferUtility.UploadAsync(filePath, bucketName, keyName);
+                Console.WriteLine("Upload 2 completed");
+
+                // Option 3. Upload data from a type of System.IO.Stream.
+                using (var fileToUpload = 
+                    new FileStream(filePath, FileMode.Open, FileAccess.Read))
+                {
+                    await fileTransferUtility.UploadAsync(fileToUpload,
+                                               bucketName, keyName);
+                }
+                Console.WriteLine("Upload 3 completed");
+
+                // Option 4. Specify advanced settings.
+                var fileTransferUtilityRequest = new TransferUtilityUploadRequest
+                {
+                    BucketName = bucketName,
+                    FilePath = filePath,
+                    StorageClass = S3StorageClass.StandardInfrequentAccess,
+                    PartSize = 6291456, // 6 MB.
+                    Key = keyName,
+                    CannedACL = S3CannedACL.PublicRead
+                };
+                fileTransferUtilityRequest.Metadata.Add("param1", "Value1");
+                fileTransferUtilityRequest.Metadata.Add("param2", "Value2");
+
+                await fileTransferUtility.UploadAsync(fileTransferUtilityRequest);
+                Console.WriteLine("Upload 4 completed");
+            }
+            catch (AmazonS3Exception e)
+            {
+                Console.WriteLine("Error encountered on server. Message:'{0}' when writing an object", e.Message);
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine("Unknown encountered on server. Message:'{0}' when writing an object", e.Message);
+            }
+
+        }
+    }
+}

Program.cs

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+using Amazon;
+using Amazon.S3;
+using Amazon.S3.Model;
+using Amazon.S3.Util;
+using System;
+using System.Threading.Tasks;
+     
+namespace S3
+{
+  class Program
+  {
+   async static Task Main(string[] args)
+   {
+        if (args.Length < 3) 
+        {
+          Console.WriteLine("Usage:  <the AWS Region to use> <source bucket name> <target bucket name>");
+          Console.WriteLine("Example: us-east-1 my-source-bucket my-target-bucket");
+          return;
+        }
+     
+        if (args[0] != "us-east-1") 
+        {
+          Console.WriteLine("Cannot continue. The only supported AWS Region ID is " +
+          "'us-east-1'.");
+           return;
+        }
+         
+        var bucketRegion = RegionEndpoint.USEast1;
+        var source_bucket_name = args[1];
+        var target_bucket_name = args[2];
+     
+        using (var s3Client = new AmazonS3Client(bucketRegion)) 
+        {
+        
+            
+        }
+     
+    }
+  }
+}

Readme.md

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="AWSSDK.S3" Version="3.7.9.21" />
+  </ItemGroup>
+
+</Project>