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Read only script powershell

Posted on 2012-04-06
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Last Modified: 2012-04-06
Hi I am looking for a script to mark all ISO files under a directory and subdirectorys as read only. If anyone can help would be much appreciated. thanks in advance
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Question by:Dead_Eyes
9 Comments
 
LVL 16

Expert Comment

by:Dale Harris
ID: 37817545
The easiest way I found is to copy the ACLs from a file that has the same permissions set.  Example:

$ACL = get-acl "c:\examplefile.txt"

Now that it's stored, let's get all the ISO files in a given directory and recursively search

Set-Location "C:\Scripts"
$Files = get-childitem -recurse -filter "*.iso" | %{set-acl $ACL}

I haven't tested this, but this is what it's going to end up looking similar to.  Good luck!  And if you haven't read up on the articles here on EE, I recommend them :)
http://www.experts-exchange.com/Programming/Languages/Scripting/Powershell/A_4327-PowerShell-Where-do-I-start.html

-DH
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LVL 16

Expert Comment

by:Dale Harris
ID: 37817556
Oh I guess I made a slight error.  After testing, it doesn't like setting the ACL, so let's try this:

$ACL = get-acl "c:\examplefile.txt"
Set-Location "C:\Scripts"
$files = get-childitem -recurse -filter "*.iso"
foreach ($file in $files){
Set-ACL $file $ACL
}

Try that out and see if it doesn't do the job for you.

DH
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Author Comment

by:Dead_Eyes
ID: 37817691
Is the read only attribute part of the acl? (trying it now)
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Author Comment

by:Dead_Eyes
ID: 37817730
Gave the script a try and it seems to fail on every fail with the same error

See below:

At C:\test2.ps1:5 char:8
+ Set-ACL <<<<  $file $ACL
    + CategoryInfo          : ObjectNotFound: (X:\Software_Arc...x64_Pro_OEM.iso:String)  
   [Set-Acl], ItemNotFoundException
    + FullyQualifiedErrorId : PathNotFound,Microsoft.PowerShell.Commands.SetAclCommand
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LVL 69

Expert Comment

by:Qlemo
ID: 37817771
No, R/O is a file attribute, not a part of ACLs. We can handle it as a property of the file:
   set-itemProperty c:\temp\File.txt -name IsReadOnly -value $false
or
   (get-itemProperty c:\temp\File.txt).IsReadOnly = $false
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Author Comment

by:Dead_Eyes
ID: 37817874
your definatly on the right track but having alot of trouble trying to translate it into a script
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LVL 16

Accepted Solution

by:
Dale Harris earned 200 total points
ID: 37817899
Oh good call Qlemo, wasn't thinking about that.  Here would be the script change:

Set-Location "C:\Scripts"
get-childitem -recurse -filter "*.iso" | %{$_.isreadonly = $True}

-DH
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LVL 7

Expert Comment

by:BelushiLomax
ID: 37817957
Use icacls with the built in switches. Should do what you need. Included in 08 and 7.
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Author Closing Comment

by:Dead_Eyes
ID: 37817989
Thanks that worked great#
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