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  • ok but the error doesnt specifically relate to powershell. the same error is given when I rub the script in cmd. also, powershell does seem to run some batch files, it always has for me before. i only use it in preference to cmd because it's easier to read. if you want to see, same "echo hello" inside a .bat file and run it through powershell. works fine. basically all I need to do is add an entry to the path variable inside a power shell script. or a batch. but powershell is easier to read. Commented Oct 1, 2012 at 2:22
  • nevermind, I got it to work by saving set PATH=%PATH%;"C:\Users\Brett\Compilers\MinGW\bin" in a bat file and running it through powershell. I guess it was a syntax error. Commented Oct 1, 2012 at 2:30
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    PowerShell doesn't understand .bat files. When you run one from within PowerShell, it's kicking off CMD and having it run the .bat. So you have to use the same syntax as you would in a regular command prompt. If you want to save PowerShell syntax to a file and run it on demand, you need to save it as a .ps1 file. Commented Oct 1, 2012 at 4:29