Powershell script against list of computers

I want to run a script against a list of computers in order to remove some shortcuts from the public desktops.  question is two fold- top set is win7 bottom is XP.  are both of those correct?  I could not determine the working "public" variable for XP.

second is how do write this to pull from a text file with a list of computer names?

Remove-Item -Path "$env:public\Desktop\Microsoft Access 2010.lnk"
Remove-Item -Path "$env:public\Desktop\Microsoft Excel 2010.lnk"
Remove-Item -Path "$env:public\Desktop\Microsoft Outlook 2010.lnk"
Remove-Item -Path "$env:public\Desktop\Microsoft Word 2010.lnk"
Remove-Item -Path "$env:public\Desktop\adobe reader XI.lnk"

Remove-Item -Path "c:\all users\Desktop\Microsoft Access 2010.lnk"
Remove-Item -Path "c:\all users\Desktop\Microsoft Excel 2010.lnk"
Remove-Item -Path "c:\all users\Desktop\Microsoft Outlook 2010.lnk"
Remove-Item -Path "c:\all users\Desktop\Microsoft Word 2010.lnk"
Remove-Item -Path "c:\all users\Desktop\adobe reader XI.lnk"
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GreshAssocAsked:
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sirbountyCommented:
According to http://www.askvg.com/list-of-environment-variables-in-windows-xp-vista-and-7/ it's %public% for everything after Vista.  XP didn't have a "public" per se, I believe it was %ALLUSERSPROFILE%
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sirbountyCommented:
Second part of your question takes on some assumptions, but seems like it should work for you:
*Code is 'non-destructive' when used 'as-is'...
$shortcuts = 'Microsoft Access 2010','Microsoft Excel 2010', 'Microsoft Outlook 2010','Microsoft Word 2010','adobe reader XI'

foreach ($pc in get-content C:\TestFolder\myComputers.txt) {
    $OS = Get-WmiObject -Computer $pc -Class Win32_OperatingSystem 
    #assumes you don't have anything other than XP and Vista/Win7...
    if ($OS.caption -like '*xp*'){
        $path = "\\$pc\c$\documents and settings\all users\desktop"
    } else {
      $path = "\\$pc\c$\users\public\desktop"
    }
    foreach ($shortcut in $shortcuts) {
        #remove "WhatIf" parameter to enforce remove-item
        remove-item -Path "$path\$shortcut.lnk" -WhatIf
    }
}

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GreshAssocAuthor Commented:
awesome, so that seems to work well. now what if I wanted to remove an all user start menu program too?  do I just add in those paths too?
else {
$path = "\\$pc\c$\ProgramData\Microsoft\Windows\Start Menu\Programs\Microsoft Office"
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sirbountyCommented:
Everything beneath that path?  If it contains subfolders, you'll need to include the -recurse parameter
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GreshAssocAuthor Commented:
No subfolders there. Would only be the office programs lnk's again. Idea is to get them of the desktop and the programs menu
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sirbountyCommented:
In that case, I think you can just perform a remove-item and specify *.lnk for the files, using the -recurse parameter.  That will remove and and all shortcuts underneath that path...
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sirbountyCommented:
Glad I could help - thanks for the grade. :^)
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