在Windows中,是否有shell/PowerShell命令分别列出用户环境变量和系统环境变量?
如果我做了-
SET TEMP
Windows显示TEMP
的用户环境变量,而不是系统变量。
我正在寻找一个shell命令/开关来单独显示这些变量
在PowerShell中,它没有cmdlet,但是您可以在Environment类中使用底层的。net方法:
Write-Host "Machine environment variables"
[Environment]::GetEnvironmentVariables("Machine")
Write-Host "User environment variables"
[Environment]::GetEnvironmentVariables("User")
# This should be the same as 'Get-ChildItem env:', although it isn't sorted.
Write-Host "Process environment variables"
[Environment]::GetEnvironmentVariables("Process")
使用以下批处理文件:
@echo off
for /f "tokens=3 usebackq" %%a in (`reg query "HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlSession ManagerEnvironment" ^| findstr TEMP`) do @echo System variable TEMP = %%a
for /f "tokens=3 usebackq" %%a in (`reg query "HKEY_CURRENT_USEREnvironment" ^| findstr TEMP`) do @echo Current user variable TEMP = %%a
从命令行使用%%
替换为%
。
System variable TEMP = %SystemRoot%TEMP
Current user variable TEMP = %USERPROFILE%AppDataLocalTemp
注意,HKEY_CURRENT_USER
优先(但由于某种原因,%USERPROFILE%
在求%TEMP%
时被扩展为一个短名称):
echo %USERPROFILE%
USERPROFILE=C:UsersDavidPostill
echo %TEMP%
C:UsersDAVIDP~1AppDataLocalTemp