run script from command line and pass String array

Question

So basically I need to run my ps1 script from command line and pass my custom arguments into my script. My script expects a String array, but when I run the command, I get an error that a positional parameter cannot be found that accepts argument 'X1'

This is my command line:

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -ExecutionPolicy RemoteSigned -NoProfile -NonInteractive -File "C:\Program Files\MSBuild\MyScript.ps1" -builds "X1” “X2" "X3" "X4"

My understanding is it knows what to do with the first parameter 'X1' but not the second and so it crashes? Any ideas whay?

I'm not familar with powershell and I don't know your script -properbly you should post it here- must not the elements seperated with colon, like "X1,X2,X3,.."? — Reporter
– Reporter, Commented Aug 29, 2014 at 14:16

user189198 · Accepted Answer · 2014-08-29 14:25:10Z

3

You need to use the -Command parameter instead of the -File parameter. Notice the change in behavior from the screenshot below, and the sample script.

[CmdletBinding()]
param (
    [int[]] $MyInts
)

foreach ($MyInt in $MyInts) {
    $MyInt + 1;
}

enter image description here

answered Aug 29, 2014 at 14:25

user189198

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1 Comment

Nerd in Training Over a year ago

I should have known. I gotta figure something out since a RunScript in TFS 2013 uses the -File and not -Command. Ill need to modify my ps1 script to recognize the commas and create the string array in there.

Keith Hill · Accepted Answer · 2014-08-29 14:24:52Z

2

I can't quite explain why -file is not working but that parameter has other known issues. When you use it you don't get a proper exit code from PowerShell. Using -command does work:

Powershell.exe -ExecutionPolicy RemoteSigned -NoProfile -NonInteractive -Command "& {& 'C:\Program Files\MSBuild\myscript.ps1' -builds x1,x2,x3}"

answered Aug 29, 2014 at 14:24

Keith Hill

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