Private/Test-VersionString.ps1
|
function Test-VersionString { [CmdletBinding()] param( [Parameter(Mandatory=$true,Position=0)] [string]$Value, [switch]$AllowLatest, [switch]$ThrowOnFail ) # conditionally allow the 'latest' string if ($AllowLatest -and $Value -eq 'latest') { return $true } if (-not ($Value -as [Version])) { if ($ThrowOnFail) { throw [Management.Automation.ValidationMetadataException] "Value must be a valid version string (1.0, 1.7.2, 2.5, etc)." } return $false } return $true } |