`dotnet` CLI eats command arguments meant for `fsi`
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- C#
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Description
I would be satisfied with simply additional documentation if this is intentional behavior, but I believe this is a bug.
## Actual behavior
```pwsh
PS C:\Users\me> dotnet fsi -- a b c
Microsoft (R) F# Interactive version 13.9.300.0 for F# 9.0
Copyright (c) Microsoft Corporation. All Rights Reserved.
For help type #help;;
stdin(0,1): error FS0078: Unable to find the file 'a' in any of
C:\Users\me
> fsi.CommandLineArgs;;
val it: string array = [|"c"|]
```
## Intended behavior
```pwsh
PS C:\Users\me> dotnet "C:\Program Files\dotnet\sdk\9.0.302\FSharp\fsi.dll" -- a b c
Microsoft (R) F# Interactive version 13.9.300.0 for F# 9.0
Copyright (c) Microsoft Corporation. All Rights Reserved.
For help type #help;;
> fsi.CommandLineArgs;;
val it: string array =
[|"C:\Program Files\dotnet\sdk\9.0.302\FSharp\fsi.dll"; "a"; "b"; "c"|]
```
### Workaround
Adding an addtional `--` like so
```
dotnet fsi -- -- a b c
```
produces the above intended behavior.
### Notes
This issue only occurs when trying to pass command arguments to an interactive session. Running a script with `dotnet fsi script.fsx -- a b c` produces the above intended behavior.
### Further technical details
details of dotnet --info
```
.NET SDK:
Version: 10.0.100-preview.6.25358.103
Commit: 75972a5ba7
Workload version: 10.0.100-manifests.6616851e
MSBuild version: 17.15.0-preview-25358-103+75972a5ba
Runtime Environment:
OS Name: Windows
OS Version: 10.0.26100
OS Platform: Windows
RID: win-x64
Base Path: C:\Program Files\dotnet\sdk\10.0.100-preview.6.25358.103\
.NET workloads installed:
[maccatalyst]
Installation Source: VS 17.14.36301.6
Manifest Version: 18.4.10622-net10-p5/10.0.100-preview.5
Manifest Path: C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.maccatalyst\18.4.10622-net10-p5\WorkloadManifest.json
Install Type: Msi
[ios]
Installation Source: VS 17.14.36301.6
Manifest Version: 18.4.10622-net10-p5/10.0.100-preview.5
Manifest Path: C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.ios\18.4.10622-net10-p5\WorkloadManifest.json
Install Type: Msi
[maui-windows]
Installation Source: VS 17.14.36301.6
Manifest Version: 10.0.0-preview.5.25306.5/10.0.100-preview.5
Manifest Path: C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.maui\10.0.0-preview.5.25306.5\WorkloadManifest.json
Install Type: Msi
[aspire]
Installation Source: VS 17.14.36301.6
Manifest Version: 8.2.2/8.0.100
Manifest Path: C:\Program Files\dotnet\sdk-manifests\8.0.100\microsoft.net.sdk.aspire\8.2.2\WorkloadManifest.json
Install Type: Msi
[android]
Installation Source: VS 17.14.36301.6
Manifest Version: 36.0.0-preview.5.116/10.0.100-preview.5
Manifest Path: C:\Program Files\dotnet\sdk-manifests\10.0.100-preview.5\microsoft.net.sdk.android\36.0.0-preview.5.116\WorkloadManifest.json
Install Type: Msi
Configured to use workload sets when installing new manifests.
Workloads are configured to install and update using workload versions, but none were found. Run "dotnet workload restore" to install a workload version.
Host:
Version: 10.0.0-preview.6.25358.103
Architecture: x64
Commit: 75972a5ba7
.NET SDKs installed:
6.0.428 [C:\Program Files\dotnet\sdk]
9.0.302 [C:\Program Files\dotnet\sdk]
10.0.100-preview.6.25358.103 [C:\Program Files\dotnet\sdk]
.NET runtimes installed:
Microsoft.AspNetCore.All 2.1.30 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.All]
Microsoft.AspNetCore.App 2.1.30 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 7.0.20 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 8.0.8 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 9.0.0-rc.1.24452.1 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.AspNetCore.App 10.0.0-preview.6.25358.103 [C:\Program Files\dotnet\shared\Microsoft.AspNetCore.App]
Microsoft.NETCore.App 2.1.30 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 7.0.20 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.8 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 8.0.19 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 9.0.0-rc.1.24431.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.NETCore.App 10.0.0-preview.6.25358.103 [C:\Program Files\dotnet\shared\Microsoft.NETCore.App]
Microsoft.WindowsDesktop.App 5.0.17 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 6.0.36 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 7.0.20 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 8.0.8 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 8.0.18 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 8.0.19 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 9.0.0-rc.1.24452.1 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 9.0.7 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Microsoft.WindowsDesktop.App 10.0.0-preview.6.25358.103 [C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App]
Other architectures found:
x86 [C:\Program Files (x86)\dotnet]
registered at [HKLM\SOFTWARE\dotnet\Setup\InstalledVersions\x86\InstallLocation]
Environment variables:
Not set
global.json file:
Not found
Learn more:
https://aka.ms/dotnet/info
Download .NET:
https://aka.ms/dotnet/download
```
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