Add external C# script to PowerShell script as source

Question

I have a PowerShell script that uses Add-Type and for -TypeDefinition I would like to, instead of defining $Source = @""@, define $Source = script.cs.

Is this possible and if so how does one go about doing it?

$Source = Get-Content -Path $PSScriptRoot\script.cs -Raw

Add-Type -ReferencedAssemblies 'System', 'System.Runtime.InteropServices' -TypeDefinition $Source -Language CSharp

Then I use whatever in C# script later on in the PS script. I do believe these are the only two important area right now

$Source = Get-Content $PSScriptRoot\script.cs -Raw -- assuming "script.cs" is located in the same folder as the PoSh script. — zett42
– zett42, Commented Nov 14, 2021 at 17:09

Zach W · Accepted Answer · 2021-11-14 17:19:05Z

1

Get-Content can grab the contents a file and use it as a string. Here is a link to the documentation. For instance:

$Source = Get-Content -Path .\path\to\script.cs -Raw

answered Nov 14, 2021 at 17:19

Zach W

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7 Comments

CodePidgy Over a year ago

Thanks to you and @zett42. I do need to ask, though, does this make the Add-Type redundant? I'm getting an error now saying Add-Type : Cannot add type. The type name '...' already exists.

Zach W Over a year ago

Can you expand a little on how you're using Add-Type?

Zach W Over a year ago

It doesn't make Add-Type redundant. Get-Content is just storing the contents of the file as a string. Double check that the type you are defining in the script doesn't already exist.

CodePidgy Over a year ago

It works perfectly if I add it normally through $Source = @"..."@, but then raises this error when I use Get-Content instead. I can't figure out why

Zach W Over a year ago

Have you tried using Add-Type -Path <Path\to\script.cs>?

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