functions/Test-FileHash.ps1
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function Test-FileHash { [CmdletBinding()] param ( [Parameter(Mandatory, ValueFromPipeline)] [string] $Path, [Parameter(Mandatory)] [string] $Hash, [ValidateSet('SHA1', 'SHA256', 'SHA384', 'SHA512', 'MACTripleDES', 'MD5', 'RIPEMD160')] [String] $Algorithm = 'MD5' ) Process { if (-Not(Test-Path $Path -PathType Leaf)) { Write-Debug "$Path is not a file" return $false } $private:actual = (Get-FileHash -Path $Path -Algorithm MD5).Hash Write-Debug "$Path $Algorithm hash is $private:actual" return $Hash -eq $Private:actual } } |