internal/functions/set-pathvariable.ps1
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<# .SYNOPSIS Modify the PATH environment variable. .DESCRIPTION Set-PathVariable allows you to add or remove paths to your PATH variable at the specified scope with logic that prevents duplicates. .PARAMETER AddPath A path that you wish to add. Can be specified with or without a trailing slash. .PARAMETER RemovePath A path that you wish to remove. Can be specified with or without a trailing slash. .PARAMETER Scope The scope of the variable to edit. Either Process, User, or Machine. If you specify Machine, you must be running as administrator. .EXAMPLE Set-PathVariable -AddPath C:\tmp\bin -RemovePath C:\path\java This will add the C:\tmp\bin path and remove the C:\path\java path. The Scope will be set to Process, which is the default. .INPUTS .OUTPUTS .NOTES Author: ThePoShWolf .LINK #> Function Set-PathVariable { [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseShouldProcessForStateChangingFunctions", "")] param ( [string]$AddPath, [string]$RemovePath, [ValidateSet('Process', 'User', 'Machine')] [string]$Scope = 'Process' ) $regexPaths = @() if ($PSBoundParameters.Keys -contains 'AddPath') { $regexPaths += [regex]::Escape($AddPath) } if ($PSBoundParameters.Keys -contains 'RemovePath') { $regexPaths += [regex]::Escape($RemovePath) } $arrPath = [System.Environment]::GetEnvironmentVariable('PATH', $Scope) -split ';' foreach ($path in $regexPaths) { $arrPath = $arrPath | Where-Object { $_ -notMatch "^$path\\?" } } $value = ($arrPath + $addPath) -join ';' [System.Environment]::SetEnvironmentVariable('PATH', $value, $Scope) } |