Excluded the plus sign from getting decoded in Get-PnPFile (#1990)

* Excluded the plus sign from getting decoded

* Added PR reference

Co-authored-by: = <=>

CHANGELOG.md

@@ -91,6 +91,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed `Add-PnPTeamsUser`, the parameter `-Channel` is now not required. [#1953](https://github.com/pnp/powershell/pull/1953)
 - Fixed `Get-PnPPlannerTask` throwing an object reference exception for completed tasks [#1956](https://github.com/pnp/powershell/issues/1956)
 - Fixed `Get-PnPUserOneDriveQuota` returning the maximum possible quota instead of the actual configured quota on a OneDrive for Business site [#1902](https://github.com/pnp/powershell/pull/1902)
+- Fixed `Get-PnPFile` throwing an exception when trying to download a file containing the plus character [#1990](https://github.com/pnp/powershell/pull/1990)
 - Fixed `Get-PnPTeamsChannel` not working correctly with PowerShell select. [#1988](https://github.com/pnp/powershell/pull/1988)
 - Fixed `Update-PnPSiteClassification`, it was ignoring the `Settings` parameter. It will now be processed. [#1989](https://github.com/pnp/powershell/pull/1989)
 

src/Commands/Files/GetFile.cs

@@ -2,7 +2,6 @@
 using PnP.Core.Model.SharePoint;
 using PnP.Core.Services;
 using PnP.Framework.Utilities;
-using System;
 using System.IO;
 using System.Management.Automation;
 using System.Threading.Tasks;
@@ -68,8 +67,8 @@ protected override void ExecuteCmdlet()
                 }
             }
 
-            // Remove URL decoding from the Url as that will not work
-            Url = Utilities.UrlUtilities.UrlDecode(Url);
+            // Remove URL decoding from the Url as that will not work. We will encode the + character specifically, because if that is part of the filename, it needs to stay and not be decoded.
+            Url = Utilities.UrlUtilities.UrlDecode(Url.Replace("+", "%2B"));
 
             var webUrl = CurrentWeb.EnsureProperty(w => w.ServerRelativeUrl);