Expand string Variable stored via Single Quote in Powershell

Question

I have a scenario where I need to construct a powershell path as $RemotePath = '$($env:USERPROFILE)\Desktop\Shell.lnk'. This variable gets passed to a remote machine where it needs to be executed. The remote machine receives this as a string variable. How do I expand the string to evaluate $env:USERPROFILE?

Community · Accepted Answer · 2017-05-23 12:18:13Z

5

Expand the string on the remote side:

$ExecutionContext.InvokeCommand.ExpandString($RemotePath)

edited May 23, 2017 at 12:18

CommunityBot

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answered Dec 1, 2014 at 11:24

Ansgar Wiechers

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1 Comment

iRon Over a year ago

Be aware that like Invoke-Expression and [ScriptBlock]::Create(), $ExecutionContext.InvokeCommand.ExpandString could be exploit using malicious code injections, see: [Rule for the use of the command: [ScriptBlock]::Create](github.com/PowerShell/PSScriptAnalyzer/issues/1454)

ojk · Accepted Answer · 2014-12-01 11:01:23Z

1

By using a double quotes. PowerShell won't expand variables inside single-quoted strings.

answered Dec 1, 2014 at 11:01

ojk

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3 Comments

Ansgar Wiechers Over a year ago

When using double quotes the variable is expanded on the local side, not on the remote side as the OP wants.

ojk Over a year ago

I see. Thanks for the correct answer, and the explanation :)

Rohit Mitra Over a year ago

Yup. As Ansgar mentioned, my requirement is to evaluate the expression on the remote machine, since I want the UserProfile value from the remote machine.

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