Permanently Add Path to System PATH Environment Variable in PowerShell - Dave's Blog

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Permanently Add Path to System PATH Environment Variable in PowerShell

2012 May 17, 7:16
According to MSDN the proper way to permanently add a path to your system's PATH environment variable is by modifying a registry value. Accordingly this is easily represented in a PowerShell script that first checks if the path provided is already there and otherwise appends it:
param([Parameter(Mandatory = $true)] [string] $Path);
$FullPathOriginal = (gp "HKLM:\System\CurrentControlSet\Control\Session Manager\Environment").Path;
if (!($FullPathOriginal.split(";") | ?{ $_ -like $Path })) {
sp "HKLM:\System\CurrentControlSet\Control\Session Manager\Environment" -name Path -value ($FullPathOriginal + ";" +
$Path);
}
PermalinkCommentspowershell registry technical code programming
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