PowerShell add Task to run PowerShell script with parameters

powershell windows-task-scheduler
Brent picture Brent · May 23, 2013 · Viewed 13.8k times · Source

I am trying add a Task to the Task Scheduler from a PowerShell script that will run a PowerShell script with parameters.

The spaces in the file path are conflicting with the necessary quotes surrounding the whole command, and SCHTASKS converts ' to " so I can't encapsulate properly.

$command = "PowerShell \`"& 'C:\ProgramFiles (x86)\MyDir\MyScript.ps1' $myStringParam $myBooleanParam\'"" 
Write-Host $command # This outputs: PowerShell \"& 'C:\Program Files (x86)\MyDir\MyScript.ps1' Cat 0\"  
SCHTASKS /Create /TN "MyTask" /TR "$command" /SC DAILY /ST 01:30:00 /RL Highest /EC ScriptEvents /RU SYSTEM

but Task Scheduler shows Actions as:

PowerShell "& "C:\Program Files (x86)\MyDir\MyScript.ps1" Cat 0"

The " and " cancel each other out because ' is always switched to " here, thus task fails.

Answer

Lars Truijens picture Lars Truijens · May 23, 2013

Try using the -File parameter of powershell.exe to specify the script to run and just add the parameters of the script at the end

powershell.exe -File "C:\Program Files (x86)\MyDir\MyScript.ps1" Cat 0

UPDATE

Boolean and Switch parameters seem to be a problem with -File. This will work:

powershell.exe "C:\Program Files (x86)\MyDir\MyScript.ps1" Cat 0

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