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Comment exécuter a PowerShell script

ayi · 2026-03-30 08:33:27

<t>How do I run a PowerShell script? - I have a script named myscript.ps1 - I have all the necessary frameworks installed - I…

ayi

<t>How do I run a PowerShell script?

I have a script named myscript.ps1
I have all the necessary frameworks installed
I set that execution policy thing
I have followed the instructions on this MSDN help page 
and am trying to run it like so: 
powershell.exe 'C:\my_path\yada_yada\run_import_script.ps1' (with or without --noexit) 
 
which returns exactly nothing, except that the file name is output. 
 
No error, no message, nothing. Oh, when I add -noexit, the same thing happens, but I remain within PowerShell and have to exit manually. 
 
The .ps1 file is supposed to run a program and return the error level dependent on that program's output. But I'm quite sure I'm not even getting there yet. 
 
What am I doing wrong?</t>

ayi

<t>Prerequisites:

You need to be able to run PowerShell as an administrator
You need to set your PowerShell execution policy to a permissive value or be able to bypass it 
 
Steps:
Launch Windows PowerShell as an Administrator, and wait for the PS> prompt to appear

Navigate within PowerShell to the directory where the script lives:

PS> cd C:\my_path\yada_yada\ (enter)<br/>
<br/>
```<br/>
<br/>
- <br/>
<br/>
Execute the script:<br/>
<br/>
```<br/>
PS> .\run_import_script.ps1 (enter)<br/>
<br/>
```<br/>
<br/>
Or: you can run the PowerShell script from the Command Prompt (`cmd.exe`) like this:<br/>
<br/>
```<br/>
powershell -noexit "& ""C:\my_path\yada_yada\run_import_script.ps1""" (enter)<br/>
<br/>
```<br/>
<br/>
according to [*Invoking a PowerShell script from cmd.exe (or Start | Run)*](http://poshoholic.com/2007/09/27/invoking-a-powershell-script-from-cmdexe-or-start-run/) by Kirk Munro.<br/>
<br/>
Or you could even [run your PowerShell script asynchronously from your C# application](http://www.codeproject.com/KB/threads/AsyncPowerShell.aspx).</t>