powershell How to clear variable cache of all variable at once

Question

I clear variable cache in my powershell script using "remove-variable variable name" . I wanted to know is there cmd to clear the variable cache of all variables in the script in one go.

stackoverflow.com/a/17680309/520612

CB.
– CB.

2015-02-26 09:13:41 +00:00
Commented Feb 26, 2015 at 9:13 — CB.
– CB., Commented Feb 26, 2015 at 9:13

Community · Accepted Answer · 2017-05-23 12:20:37Z

2

Be careful, apparently under some scenarios, you can munge things up a bit with over zealous variable clearing: Powershell ISE cannot start after (foolishly) deleting all variables

edited May 23, 2017 at 12:20

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answered Feb 27, 2015 at 5:21

Booga Roo

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mjolinor · Accepted Answer · 2015-02-26 11:33:03Z

1

You can add this at the top of you script, or in the profile:

$sysvars = get-variable | select -ExpandProperty name
$sysvars += 'sysvar'

And then do this at the end:

get-variable * |
 where { $_.name  -notin $sysvars } |
 Remove-Variable

You can also do this:

 get-variable -Scope script | remove-variable

but it may delete variables you didn't intent do if you're working in the ISE.

answered Feb 26, 2015 at 11:33

mjolinor

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David Brabant · Accepted Answer · 2015-02-26 07:00:28Z

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You can use: remove-item variable:* -force, I guess.

answered Feb 26, 2015 at 7:00

David Brabant

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