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nu852

FileVersion Inconsistent

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Since I am not sure which files are updated during Windows Update, I think compare Product / File version is a fast method for comparison. Comparing hashing is time- consumed (maybe, this is a last choice). comparing modified date, let me think about it.Thanks yr advice!

Well you can do it in such a way that doesn't read the whole file, but instead a small percentage.

#include <File.au3>
#include <Crypt.au3>

_Crypt_Startup()

Example()

_Crypt_Shutdown()

Func Example()
    Local $aArray = _FileListToArray(@ScriptDir, '*', 1), $sHash = ''
    For $i = 1 To $aArray[0]
        $sHash = _MD5Hash($aArray[$i], 25) ; Read only 25% of the file.
        ConsoleWrite($aArray[$i] & ' :: ' & $sHash & @CRLF)
    Next
EndFunc   ;==>Example

; By guinness - 2012.
Func _MD5Hash($sFilePath, $iRead = Default) ; Default is 100%
    If ($iRead > 100) Or ($iRead < 0) Or $iRead = Default Then
        $iRead = 100
    EndIf
    $iRead = ($iRead / 100) * FileGetSize($sFilePath)
    Return _Crypt_HashData(FileRead($sFilePath, $iRead), $CALG_MD5)
EndFunc   ;==>_MD5Hash

UDF List:

 
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Updated: 22/04/2018

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Well you can do it in such a way that doesn't read the whole file, but instead a small percentage.

Thanks! I will try it!

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