[Zope] Checking if an image exists/simple question

[J. Atwood]

Hi, 

I just did came across this today and found an answer..

I am calling a SQL database, getting back a variable "image_name" and
checking to see if that name of that variable exists as an image.

"image.merchants" are the folders I am keeping the images in... (nested)

<dtml-if "_.hasattr(images.merchants, image_name)">  # if it exists
   <dtml-var "_.getattr(images.merchants, image_name)"></a>  # display it
<dtml-else> # otherwise
    Some other thing to do (I used a text link)
</dtml-if>

Hope this works for you... If anyone knows how to get the border to ="0"
when getting back that image I would apprecitate it.

JMA


> From: "H.G.J. van der Linde" <linde@fsw.leidenuniv.nl>
> Date: Wed, 9 Feb 2000 18:48:22 +0100
> To: "Zope mailing list" <zope@zope.org>
> Subject: [Zope] Checking if an image exists/simple question
> 
> Hi,
> 
> We have a sql database with employee information. Every employee record has
> an MWID field.
> Photo's of the employees are stored in a Zope folder (mwfoto) where the id
> of every photo has MWID as its name.
> So we can display the photo like this:
> 
> <img src="/psychologie/mwfoto/<dtml-var mwid>"
> 
> This works fine. Now I want to check if a photo exists, and if not, display
> some other info. In some sort of Zope pseudocode:
> 
> <dtml if exist(mwid)>
> showphoto
> <dtml else>
> showanotherveryinterestingpicture
> </dtml-if>
> 
> How do I do this?
> 
> Your help is very much appreciated,
> 
> 
> Henny van der Linde
> Leiden University
> linde@fsw.leidenuniv.nl
> 
> 
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