execute a script block on a remote server - powershell

Question

I have written a script which works fine on the local server. However I would like to run the script block on a remote server. Here's the script block that's that runs fine locally. Can I use Invoke-Command to embed the below script block and run it on a remote server?
$Folder = Read-Host "Enter the folder name"
$FilePath = "E:\$Folder\capture.bat"
$Session = New-PSSession -ComputerName "qtestwest01"
Invoke-Command -Session $Session -ScriptBlock {$pt = New-Object System.Diagnostics.ProcessStartInfo;}
Invoke-Command -Session $Session -ScriptBlock {$pt.FileName = $using:FilePath;}
Invoke-Command -Session $Session -ScriptBlock {$pt.UseShellExecute = $false;}
Invoke-Command -Session $Session -ScriptBlock {$pt.RedurectStandardInput = $true;}
Invoke-Command -Session $Session -ScriptBlock {$e = [System.Diagnostics.Process]::Start($pt);}
Invoke-Command -Session $Session -ScriptBlock {$e.StandardInput.WriteLie("`n")}

Answer 1

Yes, it's pretty straight forward:
$Session = New-PSSession -ComputerName "qtestwest01"
$SB =
{
$pt = New-Object System.Diagnostics.ProcessStartInfo;
$pt.FileName = "E:\testscripts\capture.bat";
$pt.UseShellExecute = $false;
$pt.RedirectStandardInput = $true;
$e = [System.Diagnostics.Process]::Start($pt);
$e.StandardInput.WriteLine("`n")
}
Invoke-Command -Session $Session -ScriptBlock $SB
An aside: You may want to look at Start-Process -PassThru. Though I'm not sure you can set UseShellExecute using that pattern. There are some details about that here , but I didn't give it a thorough reading.
Update
Responding to your implementation and the parameter question, repeatedly calling Invoke-Command is unnecessary. You're calling into the same session so it's functionally the same thing, but everything you need is available so you can run a single command. The $Using: modifier can be used in a prefabricated ScriptBlock so long as the script block is used with certain cmdlets, including and maybe primarily Invoke-Command.
A new example:
$FilePath = "C:\windows\System32\notepad.exe"
$Session = New-PSSession -ComputerName "Server1"
$SB =
{
$pt = New-Object System.Diagnostics.ProcessStartInfo;
$pt.FileName = $Using:FilePath;
$pt.UseShellExecute = $false;
$pt.RedirectStandardInput = $true;
$e = [System.Diagnostics.Process]::Start($pt);
$e.StandardInput.WriteLine("`n")
}
Invoke-Command -Session $Session -ScriptBlock $SB
A second method of passing parameters into a script block is to use the Invoke-Command -ArgumentList parameter:
Example:
$FilePath = "C:\windows\System32\notepad.exe"
$Session = New-PSSession -ComputerName "Server1"
$SB =
{
$pt = New-Object System.Diagnostics.ProcessStartInfo;
$pt.FileName = $args[0] ;
$pt.UseShellExecute = $false;
$pt.RedirectStandardInput = $true;
$e = [System.Diagnostics.Process]::Start($pt);
$e.StandardInput.WriteLine("`n")
}
Invoke-Command -Session $Session -ScriptBlock $SB -ArgumentList $FilePath
And, Either approach, $Using or $args[0] will work even if cite the script block inline with the command:
Example:
$FilePath = "C:\windows\System32\notepad.exe"
$Session = New-PSSession -ComputerName "Server1"
Invoke-Command -Session $Session -ArgumentList $FilePath -ScriptBlock {
$pt = New-Object System.Diagnostics.ProcessStartInfo;
$pt.FileName = $args[0] ;
$pt.UseShellExecute = $false;
$pt.RedirectStandardInput = $true;
$e = [System.Diagnostics.Process]::Start($pt);
$e.StandardInput.WriteLine("`n")
}
Notes:
-ComputerName argument name and $FilePath value were changed in these examples just so I could test in my environment.
The use of $FilePath instead of $Folder. So far as I can tell $pt.FileName property needs a the full path. This was either mis-typed or in error in your last sample. $FilePath because of the -FilePath parameter on Start-Process.

Answer 2

$folder = 'testscripts'
$Session = New-PSSession -ComputerName "qtestwest01"
Invoke-Command -Session $Session -ScriptBlock {$pt = New-Object System.Diagnostics.ProcessStartInfo;}
Invoke-Command -Session $Session -ScriptBlock {$pt.FileName = $using:folder;}
Invoke-Command -Session $Session -ScriptBlock {$pt.UseShellExecute = $false;}
Invoke-Command -Session $Session -ScriptBlock {$pt.RedurectStandardInput = $true;}
Invoke-Command -Session $Session -ScriptBlock {$e = [System.Diagnostics.Process]::Start($pt);}
Invoke-Command -Session $Session -ScriptBlock {$e.StandardInput.WriteLie("`n")}