Public/Crypto/New-RandomFileName.ps1
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function New-RandomFileName { [Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseShouldProcessForStateChangingFunctions", "", Justification = "Not changing state")] [cmdletbinding(DefaultParameterSetName = "none")] [Alias("rfn")] [outputtype([string])] Param( [parameter(Position = 0)] [Parameter(ParameterSetName = 'none')] [Parameter(ParameterSetName = 'home')] [Parameter(ParameterSetName = 'temp')] #enter an extension without the leading period e.g 'bak' [string]$Extension, [Parameter(ParameterSetName = 'temp')] [alias("temp")] [Switch]$UseTempFolder, [Parameter(ParameterSetName = 'home')] [alias("home")] [Switch]$UseHomeFolder ) process { if ($UseTempFolder) { $filename = [system.io.path]::GetTempFileName() } elseif ($UseHomeFolder) { $homedocs = [Environment]::GetFolderPath([Environment+SpecialFolder]::MyDocuments) $filename = Join-Path -Path $homedocs -ChildPath ([system.io.path]::GetRandomFileName()) } else { $filename = [system.io.path]::GetRandomFileName() } if ($Extension) { $original = [system.io.path]::GetExtension($filename).Substring(1) $filename -replace "$original$", $Extension } else { $filename } } } |