How to execute a .Bat with mutliple Parameters from Powershell scripts

You can call

cmd.exe /C "test.bat param1 param2"

In powershell V3 there is a new espace string --% which allow to send "weird" parameters to your exes. exemple :

PS> echoargs.exe --% %USERNAME%,this=$something{weird} 

Arg 0 is <jason,this=$something{weird}>

I am new to Powershell but the following works for me. I am able to run the *.bat from my *.ps1 file. And I am using Powershell 5.1.17134.590.

& .\myFile.bat parm1