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POUsing PowerShell 'If' statement to compare function (Windows version)
 

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    <p>I'm currently creating an <a href="http://en.wikipedia.org/wiki/Active_Directory" rel="nofollow">AD</a> script that can get the AD groups of one machine and transfer them to a new machine (in case of system failure).</p> <p>I've managed to get the script to go out and find the versions of Windows that the two machines are running via their hostname, however I'm having a problem creating an 'if' statement to compare the two versions of Windows.</p> <p>The idea is that if the are the same version (and thus the same package version) the groups will be copied automatically, but I can't for the life of me figure out how to do it.</p> <p>Please consider this code:</p> <pre><code>function W_version_current { $current = Get-WmiObject Win32_OperatingSystem -computer $current_hostname.text | select buildnumber if ($current -match '7601') { "Windows 7" } elseif($current -match '2600') { "Windows XP" } elseif($current -eq $null) { "The box is empty" } else { "Function not supported" } } function W_version_target { $target = Get-WmiObject Win32_OperatingSystem -computer $target_hostname.text | select buildnumber if ($var -match '7601') { "Windows 7" } elseif($target -match '2600') { "Windows XP" } elseif($target -eq $null) { "The box is empty" } else { "Function not supported" } } function compare_current_target { if(W_version_current -eq W_version_target) { "Matching version of Windows detected" } else { "Versions of Windows do not match" } } </code></pre> <p>Now is it true that all variables cannot be accessed outside of functions?</p> <p>If so, what else can I do?</p>
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