PowerShell - script 1 calls script 2 - how to return value from script 2 to script 1

Question

I have two PowerShell scripts. One script invokes another PowerShell script using elevated credentials, using Start-Process.

But I am struggling with how to make the

Answer 1

You could make use of ProcessStartInfo and Process which would allow you to read the StandardOutput.

Here's an example of what you might do:

$startInfo = New-Object System.Diagnostics.ProcessStartInfo
$startInfo.FileName = "powershell.exe"
$startInfo.Arguments = "C:\script\script2.ps1"

$startInfo.RedirectStandardOutput = $true
$startInfo.UseShellExecute = $false
$startInfo.CreateNoWindow = $false
$startInfo.Username = "DOMAIN\Username"
$startInfo.Password = $password

$process = New-Object System.Diagnostics.Process
$process.StartInfo = $startInfo
$process.Start() | Out-Null
$standardOut = $process.StandardOutput.ReadToEnd()
$process.WaitForExit()

# $standardOut should contain the results of "C:\script\script2.ps1"
$standardOut