CmdLet CalculateMD5.ps1

# Get all files/agrs passed to the script
$SourceFiles = $PsBoundParameters.Values + $args

$FilesInfo = @()
ForEach($FileFullPath in $SourceFiles)
{ 
    # Get file directory
    $File = Get-Item -LiteralPath $FileFullPath
    
    # Calculate file MD5
    $FileMD5info = Get-FileHash $File -Algorithm MD5
    
    # Create MD5 string
    $MD5String = "$($FileMD5info.Hash)`t$($File.Name)"
    
    # Create MD5 file with Hash info
    $MD5String | Out-File "$($File.FullName).MD5"

    # Add MD5 String to array
    $FilesInfo += $MD5String
}

# Add Files info to clipboard
$FilesInfo | clip