PowerShell批量设置PATH环境变量

Code

#requires -version 4.0
#requires #-runasadministrator

# Get the ID and security principal of the current user account
$myWindowsID = [System.Security.Principal.WindowsIdentity]::GetCurrent();
$myWindowsPrincipal = New-Object System.Security.Principal.WindowsPrincipal($myWindowsID);

# Get the security principal for the administrator role
$adminRole = [System.Security.Principal.WindowsBuiltInRole]::Administrator;

# Check to see if we are currently running as an administrator
if ($myWindowsPrincipal.IsInRole($adminRole))
{
    # We are running as an administrator, so change the title and background colour to indicate this
    $Host.UI.RawUI.WindowTitle = $myInvocation.MyCommand.Definition + "(Elevated)";
    $Host.UI.RawUI.BackgroundColor =0;
    Clear-Host;
}
else {
    # We are not running as an administrator, so relaunch as administrator

    # Create a new process object that starts PowerShell
    $newProcess = New-Object System.Diagnostics.ProcessStartInfo "PowerShell";

    # Specify the current script path and name as a parameter with added scope and support for scripts with spaces in it's path
    $newProcess.Arguments = "& '" + $script:MyInvocation.MyCommand.Path + "'"

    # Indicate that the process should be elevated
    $newProcess.Verb = "runas";

    # Start the new process
    [System.Diagnostics.Process]::Start($newProcess);

    # Exit from the current, unelevated, process
    Exit;
}


$file=Get-Content -Path $PSScriptRoot"/env.txt"

$path=$env:Path

$floders=$env:Path.Split(";")

$index=0

foreach($line in $file){
    if($floders.Contains($line)){
        Write-Host $line" already exists in PATH variable!"
    }
    else{
        if($path.Trim().EndsWith(";")){
            $path=$path+$line
        }
        else{
            $path=$path+";"+$line
        }
        [System.Environment]::SetEnvironmentVariable("Path",$path,"Machine")
        $index++
        Write-Host $index ": " "Add "  $line "to PATH variable!"
    }
}

cmd /c "pause"

EnvTxt

D:\Micro\Android\Sdk\platform-tools
D:\Program Files\cmder_mini
D:\MinGW\bin
D:\cmake\bin
C:\Program Files\MySQL\MySQL Server 8.0\bin
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\Scripts
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64
C:\Program Files\Java\jdk-11.0.2\bin
C:\Program Files\Java\jdk-11.0.2\jre\bin
D:\Program Files\Git\cmd
C:\Program Files\Microsoft SQL Server\130\Tools\Binn\
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\Scripts\
D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\