public/Get-UninstallString.ps1
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<# .SYNOPSIS Returns Uninstall String for installed applications. .DESCRIPTION Providing just the partial name of an application, the result returned will be the uninstall string from the registry for x86 and/or x64 program installations. .PARAMETER Application Partial name of application for lookup. Asterix not required. .PARAMETER FullDetail Return all details of string lookup. .INPUTS None .OUTPUTS UninstallString object. .NOTES Version: 1.0.1.36 Author: Copyright � 2020 RePass Cloud Pty Ltd (https://repasscloud.com/). All rights reserved. License: Apache-2.0 Creation Date: 2020-07-17 Last Updated: 2020-07-27 .EXAMPLE Get-UninstallString -Application Firefox .EXAMPLE Get-UninstallString -Application Firefox -FullDetail #> function Get-UninstallString { param( [Parameter(Mandatory=$true, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true, HelpMessage='Name of Application to search for.', Position=0)] [Alias('App')] [String]$Application, [Parameter(Mandatory=$false, HelpMessage='Return all properties of application matching Application name.', Position=1)] [Alias('Detail')] [switch]$FullDetail ) if ($Application -match '^\w.*$') { $Value = '*' + $Application + '*' } #~> no asterisk elseif ($Application -match '^\*\w.*$') { $Value = $Application + '*' } #~> asterisk at start only elseif ($Application -match '^\w.*\*$') { $Value = '*' + $Application } #~> asterisk at end only elseif ($Application -match '^\*\w.*\*$') { $Value = $Application } #~> asterisk at start and end else { $Value = '*' + $Application + '*' } #~> catch all backup if ($FullDetail) { $Path = @( 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall' ) [String]$returnObj = Get-ChildItem -Path $Path | Get-ItemProperty | Where-Object {$_.DisplayName -like "${Value}" } | Select-Object -Property * return $returnObj.UninstallString } else { $Path = @( 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall' ) $returnObj = Get-ChildItem -Path $Path | Get-ItemProperty | Where-Object {$_.DisplayName -like "${Value}" } | Select-Object -Property UninstallString return $returnObj } } |