This post is going to discuss how to perform a bulk file copy from a SharePoint library to a folder on the file system. Along with this blog post, I will also provide a downloadable script, which can be modified to work in your environment. As we are copying files from SharePoint to the file system, all metadata will be stripped. Additional work could be performed in order to export the metadata to an xml file. This functionality is currently not available in the version of the script provided.
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Assume that you access a Microsoft SharePoint Server 2013 document library through a computer that has Microsoft Office 2013 installed. When you try to upload multiple documents to the document library, the Upload Multiple Documents option is not available in SharePoint Server 2013. I am trying to download multiple files from document library present in SharePoint 2013 document library. To achieve this I have created a cloud service in windows azure and fetching all the files info using CSOM and zipping it using sharpzip library as there are large no of files and file.
I was recently working with a customer who needed to export files from one SharePoint environment and import them into another SharePoint environment. Though SharePoint does have this functionality built-in using Export-SPWeb and Import-SPWeb, in this case an export resulted in no files being exported from the desired directory. This was later determined to be corruption of the files after the export was unsuccessful on the desired directories.
In this case, the approach was simple enough. Read the folder and file structure from the specified list and replicate that structure on the file system.
This solution is tricky enough because of the way files are accessed in SharePoint lists. Enumerating all files in the list can be performed, however folder structure would not be maintained by calling $List.Items. In this case, what we have to do is perform two separate actions. One action to retrieve the root folder of the list and enumerate the items, and one action to enumerate each folder and each file in each folder. In order to do this, we call $List.rootfolder.files
We also need to enumerate all folder, and enumerate all of the files in each folder. This can be done by using $List.folders. This will list all folders (including subfolders) for the list.
$Folder.folder.files allows you to enumerate all files in a specific folder
Now that we have a collection of all of the files and their directories, we can export the files to the file system. This can be performed by accessing the binary steam of the SharePoint file, and assigning it to the binary stream of a file system object. This is performed by using the following snippet of code.
Once the script has been exported, the structure of the files and folders will be maintained on the file system as they were in the SharePoint site.
The script can be downloaded from the following location:
BulkFileExport.ps1 (compressed)
BulkFileExport.ps1 (compressed)
This script does require some edits. All edits are explained at the top of the script. Each child directory must be specified in the script. Each library which is to be exported will need to be added to the script using the three lines of PowerShell which are included. Here is a brief explanation.
This next line will create a directory at the specified location. In this example, a directory will be made beneath the root directory and will be named StyleLibrary
New-Item -Path ($Directory + 'StyleLibrary') -ItemType Directory
New-Item -Path ($Directory + 'StyleLibrary') -ItemType Directory
This next line will retrieve a list with the specified title, and assign it to a variable. The variable name is not important, as long as the correct variable is passed to the ExportFiles Function in the next line
$StyleLibrary = $Site.RootWeb.Lists | ? {$_.title -eq 'Style Library'}
$StyleLibrary = $Site.RootWeb.Lists | ? {$_.title -eq 'Style Library'}
This next line will export files from the list specified via the first variable and to the subdirectory specified in the second variable.
ExportFiles $StyleLibrary 'StyleLibrary'
ExportFiles $StyleLibrary 'StyleLibrary'
As always, feedback and suggestions are always welcome. If you do have any ideas on how to improve the script, I'd love to hear them.
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I am developing a Win8 (WinRT, C#, XAML) client application (CSOM) that needs to download/upload files from/to SharePoint 2013.
How do I do the Download/Upload?
johnnyRose4,3391111 gold badges3636 silver badges5454 bronze badges
eitan barazanieitan barazani57422 gold badges1212 silver badges3131 bronze badges
8 Answers
Upload a file
Upload a file to a SharePoint site (including SharePoint Online) using File.SaveBinaryDirect Method:
Download file
Download file from a SharePoint site (including SharePoint Online) using File.OpenBinaryDirect Method:
Download Multiple Files In Sharepoint 2013
Vadim GremyachevVadim Gremyachev39.5k88 gold badges7777 silver badges121121 bronze badges
This article describes various options for accessing SharePoint content. You have a choice between REST and CSOM. I'd try CSOM if possible. File upload / download specifically is nicely described in this article.
Overall notes:
Avoid working with the stream directly, read it into the memory first. Network-bound streams are not necessarily supporting stream operations, not to mention performance. So, if you are reading a pic from that stream or parsing a document, you may end up with some unexpected behavior.
On a side note, I have a related question re: performance of this code above, as you are taking some penalty with every file request. See here. And yes, you need 4.5 full .NET profile for this.
Community♦
BorvBorv
File.OpenBinaryDirect may cause exception when you are using Oauth accestokenExplained in This Article
Code should be written as below to avoid exceptions
Ram chittalaRam chittala
A little late this comment but I will leave here my results working with the library of SharePoin Online and it is very easy to use and implement in your project, just go to the NuGet administrator of .Net and Add Microsoft.SharePoint.CSOM to your project .
Microsoft Sharepoint 2013 Download
The following code snippet will help you connect your credentials to your SharePoint site, you can also read and download files from a specific site and folder.
Sharepoint 2013 Download Multiple Files Windows 10
Then to invoke the functions from the controller in this case MVC ASP.NET is done in the following way.
Sharepoint 2013 Download Multiple Files Free
If you need the source code of this project you can request it to [email protected]
Israel' De la CruzIsrael' De la Cruz
Shay Rojansky7,39922 gold badges1919 silver badges4747 bronze badges
AngelAngel
Just a suggestion SharePoint 2013 online & on-prem file encoding is UTF-8 BOM.Make sure your file is UTF-8 BOM, otherwise your uploaded html and scripts may not rendered correctly in browser.
karayakarkarayakar
Though this is an old post and have many answers, but here I have my version of code to upload the file to sharepoint 2013 using CSOM(c#)
I hope if you are working with downloading and uploading files then you know how to create
Clientcontext
object and Web
objectAnd here is the code for download
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Still there are different ways I believe that can be used to upload and download.
Iftikhar Ali AnsariIftikhar Ali Ansari82611 gold badge88 silver badges2121 bronze badges
Sharepoint 2013
I would suggest reading some Microsoft documentation on what you can do with CSOM. This might be one example of what you are looking for, but there is a huge API documented in msdn.
From: http://msdn.microsoft.com/en-us/library/fp179912.aspx
Dan TeesdaleDan Teesdale