Add-MrStartupVariable.ps1
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#Requires -Version 3.0 function Add-MrStartupVariable { <# .SYNOPSIS Add variable for list of startup variables. .DESCRIPTION Add variable for list of startup variables to the specified PowerShell profile. Create the specified PowerShell profile if it does not exist. Only adds the variable and code to populate the variable if it does not already exist. Designed to be used in conjunction with Remove-MrUserVariable. .PARAMETER Location Location of the PowerShell profile to add the startup variable to. .EXAMPLE Add-MrStartupVariable -Location AllUsersCurrentHost .INPUTS None .OUTPUTS None .NOTES Author: Mike F Robbins Website: http://mikefrobbins.com Twitter: @mikefrobbins #> [CmdletBinding(SupportsShouldProcess)] param ( [Parameter(Mandatory)] [ValidateSet('AllUsersAllHosts', 'AllUsersCurrentHost', 'CurrentUserAllHosts', 'CurrentUserCurrentHost')] $Location ) $Content = @' $StartupVars = @() $StartupVars = Get-Variable | Select-Object -ExpandProperty Name '@ if (-not(Test-Path -Path $profile.$Location)) { New-Item -Path $profile.$Location -ItemType File | Set-Content -Value $Content } elseif (-not(Get-Content -Path $profile.$Location | Select-String -SimpleMatch '$StartupVars = Get-Variable | Select-Object -ExpandProperty Name')) { Add-Content -Path $profile.$Location -Value "`r`n$Content" } else { Write-Verbose -Message "`$StartupVars already exists in '$($profile.$Location)'" } } |