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Download web images and diff with a local image


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I am exploring AutoIT for use with Tivoli Monitoring.

I need to analyze the pages images and confirm that they have not changed.

I have thought of a few ways to do this but I was hoping someone might have a suggested solution.

Right now I am trying to figure out how to find the image file in cache or download it to a known directory. Then I can compare it to a locally stored copy.

Edited by hammy
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Ok I found this code in the IE.au3 thread

#include <IE.au3>

$sImgDir = "c:\foo\"; Please make certain this folder already exists (silent failure if not)
$sWebPage = "http://www.autoitscript.com/forum/index.php?"; webpage with images

$oIE = _IECreate()
_IENavigate($oIE, $sWebPage)
$oIMGs = _IETagNameGetCollection($oIE.document, "img")

; Loop through all IMG tags and save file to local directory using INetGet
For $oIMG in $oIMGs
    $sImgUrl = $oIMG.src
    $sImgFileName = $oIMG.nameProp
    INetGet($sImgUrl,  $sImgDir & $sImgFileName)

IE.au3 Thread

Now I just need to figure out how to call the DOS comp command or call a commandline diff program.

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