Powershell pass user input to icacls

Question

Currently I am writing a powershell script to automate some security measures and I have run into a small problem.

icacls myDirectory /inheritance:r /grant:r 'Administrators:F' $myGroup + ':F'

will fail as $myGroup gets tacked onto the icacls call and fails to properly add permissions to both groups. This is on Windows 7 and from the context of powershell.

Keith Hill · Accepted Answer · 2010-12-01 21:23:16Z

3

The parser sees $myGroup + ':F' as three individual arguments. You can use either:

"${myGroup}:F"

or

($myGroup + ':F')

to provide this info to the parser as one argument.

edited Dec 1, 2010 at 21:23

answered Dec 1, 2010 at 20:35

Keith Hill

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3 Comments

Woot4Moo Over a year ago

The second one works, the first one fails. Once you make that change I will accept this as the answer

Keith Hill Over a year ago

Looks like : can be a legal part of a variable name, so you have to delineate the variable name part of the string using { and }.

Keith Hill Over a year ago

Hmm, can't put : in a variable name AFAICT. Wonder why then the parser can't figure this out and not requires the curly braces?

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