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.NET Compare files on disk with those on the cloud and download files that different

David27

Hello,

As in the topic, I want to do a program that will compare files that are on the computer and those on the dropbox and only download files that do not match. I never programming API for dropbox and I dont know how start.

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Greg-DB

[Cross-linking for reference: https://stackoverflow.com/questions/45805431/c-sharp-compare-files-on-disk-with-those-on-the-cloud-and-download-files-that-di ]

If you're using .NET, we recommend using the official Dropbox API v2 .NET SDK:

https://github.com/dropbox/dropbox-sdk-dotnet

There's a guide there for getting started.

For your use case in particular, you can list files in any folder using listFolder:

https://dropbox.github.io/dropbox-sdk-dotnet/html/M_Dropbox_Api_Files_Routes_FilesUserRoutes_ListFolderAsync_1.htm

You can check the returned FileMetadata.ContentHash and compare with your local copy:

https://dropbox.github.io/dropbox-sdk-dotnet/html/P_Dropbox_Api_Files_FileMetadata_ContentHash.htm

You can find information on computing the content hash value for your local files here:

https://www.dropbox.com/developers/reference/content-hash