Best way to using Global Variables in PowerShell?

Question

I want to use variables over PowerShell instances away. (I know that global variables are not nice) Is this the best way to define a variable over instances in PowerShell? Other ideas? ($global:variable is not over PowerShell instances away)

[Environment]::SetEnvironmentVariable("TestVariable", "Test value.", "User")

[Environment]::GetEnvironmentVariable("TestVariable","User")

Keith Hill · Accepted Answer · 2010-12-13 16:21:19Z

4

Yes. Other options would be to:

Write/read a hashtable to a settings file using Export/Import-CliXml.
Stash information in the user's registry hive.

But adding a user environment variable is also a good way to go and the way you suggest is what is needed for the environment changes to survive exiting the current PowerShell session.

answered Dec 13, 2010 at 16:21

Keith Hill

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1 Comment

JasonMArcher Over a year ago

Yea, I would suggest using a file over using the registry, and the registry over using the environment variables.

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