Public/DISM/Test-WindowsImage.ps1
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<#
.SYNOPSIS Returns True if ImagePath is a Windows Image .DESCRIPTION Returns True if ImagePath is a Windows Image .PARAMETER ImagePath Specifies the full path to the Windows Image .PARAMETER Index Index of the Windows Image .PARAMETER Extension Test if the File Extension is .esd or .wim .LINK https://osd.osdeploy.com/module/functions/windowsimage .NOTES #> function Test-WindowsImage { [CmdletBinding()] param ( [Parameter( Position = 0, Mandatory = $true, ValueFromPipelineByPropertyName = $true )] [Alias('FullName')] [string]$ImagePath, [Parameter( ValueFromPipelineByPropertyName )] [Alias('ImageIndex')] [UInt32]$Index = $null, [Parameter( ValueFromPipelineByPropertyName )] [ValidateSet('.esd','.wim')] [string]$Extension = $null ) #================================================= # Test-Path #================================================= if (! (Test-Path $ImagePath)) { Write-Warning "Test-WindowsImage: Test-Path failed $ImagePath" Return $false } #================================================= # Get-Item #================================================= try { $GetItem = Get-Item -Path $ImagePath -ErrorAction Stop } catch { Write-Warning "Test-WindowsImage: Get-Item failed $ImagePath" Return $false } #================================================= # Get-Item Extension #================================================= if ($Extension) { if (($Extension -eq '.esd') -and ($GetItem.Extension -ne '.esd')) { Write-Warning "Test-WindowsImage: Get-Item Extension is not $Extension" Return $false } if (($Extension -eq '.wim') -and ($GetItem.Extension -ne '.wim')) { Write-Warning "Test-WindowsImage: Get-Item Extension is not $Extension" Return $false } } else { if (($GetItem.Extension -ne '.esd') -and ($GetItem.Extension -ne '.wim')) { Write-Warning "Test-WindowsImage: Get-Item Extension failed. File must be .esd or .wim" Return $false } } #================================================= # Get-WindowsImage #================================================= if ($Index) { try { $GetWindowsImage = Get-WindowsImage -ImagePath $GetItem.FullName -Index $Index -ErrorAction Stop | Out-Null Return $true } catch { Write-Warning "Test-WindowsImage: Get-WindowsImage failed $ImagePath" Return $false } finally { $Error.Clear() } } else { try { $GetWindowsImage = Get-WindowsImage -ImagePath $GetItem.FullName -ErrorAction Stop | Out-Null Return $true } catch { Write-Warning "Test-WindowsImage: Get-WindowsImage failed $ImagePath" Return $false } finally { $Error.Clear() } } #================================================= # Something didn't work right if this is run #================================================= Return $false #================================================= } |