Wrapper function for the certutil.exe program to compute the hash of a file

Get-Hash.ps1

function Get-Hash {
    [Alias("hash")]
    param (
        [Parameter(
            Mandatory,
            Position = 0,
            ValueFromPipeline = $true,
            HelpMessage = "Path to a file."
        )]
        [ValidateNotNullOrEmpty()]
        [string]
        [System.IO.FileInfo]$Path,
        [Parameter(
            Mandatory,
            Position = 1,
            HelpMessage = "Available hashing algorithms:`n|MD2|MD4|MD5|SHA1|SHA256|SHA384|SHA512|"
        )]
        [ValidateSet(
            "MD2",
            "MD4",
            "MD5",
            "SHA1",
            "SHA256",
            "SHA384",
            "SHA512"
        )]
        [string]
        $HashType,
        [switch]
        $PrintVars

    )
    if ($PrintVars) {
        Write-Host "HashType = |$HashType|" -ForegroundColor Red
        Write-Host "Path = |$Path|" -ForegroundColor Red
        Write-Host "VerbosePreference = $VerbosePreference" -ForegroundColor Red
        Write-Host "DebugPreference = $DebugPreference" -ForegroundColor Red
    }
    if ($VerbosePreference = "Continue") {
        certutil.exe -v -hashfile "$Path" $HashType
    }
    elseif ($VerbosePreference = "SilentlyContinue") {
        certutil.exe -hashfile "$Path" $HashType
    }
}