Windows 通过命令行添加系统路径环境变量？

我试图通过命令行向系统路径添加变量，但找不到“系统路径”的变量

如果我运行以下代码：

setx path "%path%;C:\Python27\;C:\Python27\Scripts\"

它将其添加到本地路径，而不是系统路径，因此我尝试了以下方法：

setx syspath "%syspath%;C:\Python27\;C:\Python27\Scripts\"
setx systempath "%systempath%;C:\Python27\;C:\Python27\Scripts\"

除了能够编辑本地路径变量之外，我找不到位于的任何内容

我不是在寻找通过GUI实现的方法，我只是在寻找通过代码实现的方法（希望是命令行）

例如，在Autoit中，我可以通过注册表编辑它：

$SystemPath = RegRead("HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment", "Path")
If StringRight($SystemPath, 1) = ";" Then
    RegWrite("HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment", "Path", "REG_SZ", $SystemPath & "C:\Python27\;C:\Python27\Scripts\")
Else
    RegWrite("HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment", "Path", "REG_SZ", $SystemPath & ";C:\Python27\;C:\Python27\Scripts\")
EndIf

或者通过GUI

Run("SystemPropertiesAdvanced.exe")
WinWait("System Properties")
ControlClick("System Properties", "Enviro&nment Variables...", "[CLASS:Button; INSTANCE:7]")
WinWait("Environment Variables")
ControlListView("Environment Variables", "", "[CLASS:SysListView32; INSTANCE:2]", "Select", ControlListView("Environment Variables", "", "[CLASS:SysListView32; INSTANCE:2]", "FindItem", "Path"))
ControlClick("Environment Variables", "", "[CLASS:Button; INSTANCE:7]")
WinWait("Edit System Variable")
$SystemPath = ControlGetText("Edit System Variable", "", "[CLASS:Edit; INSTANCE:2]")

If StringRight($SystemPath, 1) = ";" Then
    ControlSetText("", "", "", $SystemPath & "C:\Python27\;C:\Python27\Scripts\")
Else
    ControlSetText("", "", "", $SystemPath & ";C:\Python27\;C:\Python27\Scripts\")
EndIf

ControlClick("Edit System Variable", "", "[CLASS:Button; INSTANCE:1]")
ControlClick("Environment Variables", "", "[CLASS:Button; INSTANCE:9]")
ControlClick("System Properties", "", "[CLASS:Button; INSTANCE:8]")

从

setx

命令的on开关

/m指定在系统环境中设置变量。这个 默认设置是本地环境

---

pathman

（如果可用）比

setx

更适合操作路径。