Programmatically modifiy environment variables?

Question

• Windows 7.
• It\'s for my own machine, so it doesn\'t matter if it requires admin rights or something.
• Preferably in Python or .NET, but I can learn a

Answer 1

or you could try a Windows PowerShell script; PowerShell is installed on Windows 7 by default.

run powershell.exe

PS C:\> [Environment]::SetEnvironmentVariable("TestVariable", "Test value.", "User")

Then, for example, from cmd.exe

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\>echo %TestVariable%
Test value.

C:\>

Or (in a new) powershell.exe

PS C:\> echo $ENV:TestVariable
Test Value.
PS C:\>

check out http://technet.microsoft.com/en-us/library/ff730964.aspx