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PowerShell File Path Too Long


Striving hard to work on files and folders whose paths are too long in PowerShell?

Well, it’s not hard anymore it can easily be done on PowerShell.

With the master piece of Johan Delimon, the Delimon.Win32.I​O Library (V4.0) is of very great help.

The file can be downloaded on TechNet gallery on this link below:

http://gallery.technet.microsoft.com/scriptcenter/DelimonWin32IO-Library-V40-7ff6b16c

Download the file and install it.


And with this piece of snippet code, accessing long path exceeding 260 characters or more is not a problem.


This code snippet below will read the files on a path which exceeds the path limitation.


=====================================

#Load the  DLL to PowerShell
[Reflection.Assembly]::LoadFile("C:\Program Files\Delimon\Delimon.Win32.IO\Delimon.Win32.IO.dll")

#Access the method or the function of the DLL to read the files
#Note: Line below has to be in one line

 $xstr = $xstr =[Delimon.Win32.IO.Directory]::GetFiles("\\servername\very very long path exceeding 256 or 260 chars")
 ForEach ($oFile In $xstr) {
 
      #Display to the console the files on the long path of folders
    write-host $oFile           
}                                          

=====================================


That’s it guys! With the help of the Delimon DLL, path limitation is not a limitation anymore.

Appreciate if you can share your piece of code as well, on how you are able to implement it.

Robocopy can also list files and folders for path that are too long.

See link below:
http://quickbytesstuff.blogspot.sg/2014/10/list-directories-using-robocopy.html




Copy files with specific extension, script is able to copy even path exceeds the 256 limit:

http://quickbytesstuff.blogspot.sg/2016/05/powershell-copy-specific-file-extension.html





Sharing and generosity in all kind of ways, makes life easier.


Till next time!! Happy coding!! Cheers!!!!
.

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Comments

  1. AnonymousAugust 13, 2014 at 10:25 PM

    Hi there, this is what I'm looking for however I cant get it to work. I'm looking to do a recursive get files on a user profile folders to get the count of files and size. However a large number of file paths are over the 260 character length. When I use the above code, I just get "arithmetic operation resulted in an overflow". Can you give a powershell example showing a recursive search for a unc path?

    $xstr = $xstr =[Delimon.Win32.IO.Directory]::GetFiles("\\server\profiles$\username.V2")
    Exception calling "GetFiles" with "1" argument(s): "Arithmetic operation resulted in an overflow."

    ReplyDelete
  2. Sirch_wiredAugust 14, 2014 at 1:01 AM

    Hi, the source code for the DLL is not open source. I guess you might have run into a bug or the limitation of the DLL itself. The author of the DLL don't have any updates for this issue. or check out this link: http://www.powershellmagazine.com/2012/07/24/jaap-brassers-favorite-powershell-tips-and-tricks/

    ReplyDelete
  3. UnknownAugust 31, 2014 at 4:13 AM

    Hello
    You can also use Long Path Tool to sort out this problem.

    ____________

    ReplyDelete
  4. AnonymousSeptember 2, 2014 at 6:43 AM

    Hi,

    PowerShell can easily be used with AlphaFS.dll to do actual file I/O stuff

    without the PATH TOO LONG hassle.

    Please see at Codeplex: https://alphafs.codeplex.com/ [This link is external to TechNet Wiki. It will open in a new window.] for this .NET project.

    ReplyDelete
  5. stephanoApril 12, 2015 at 2:30 AM

    “Long Path Tool” program is the best solution for your problem

    ReplyDelete
  6. Liam CarterNovember 25, 2019 at 9:13 AM

    Use "Long Path This very useful if you are having problems
    in deleting, unlocking, copying and even renaming files, also very easy.

    ReplyDelete
  7. John StephenApril 20, 2020 at 10:48 AM


    Hi, for problems concerning path too long issues, I suggest you to try the new long path tool. This can help you with all kinds of path too long cases,

    ReplyDelete

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