[Zope] How do you increment a variable?

[Michel Pelletier]

> -----Original Message-----
> From: Tony McDonald [mailto:tony.mcdonald@ncl.ac.uk]
> Sent: Thursday, July 29, 1999 10:11 AM
> To: Zope List
> Subject: [Zope] How do you increment a variable?
> 
> 
> I am having a *bad* day, I don't seem to be able to get *any* of my 
> Zope stuff to work today :(
> 
> I can't get this to work.
> <dtml-let counter="1">
> Counter:<dtml-var counter>,
> <dtml-var counter="counter+1">  (Line A)
> <dtml-var counter>
> </dtml-let>

You can't do assignments inside Python expressions.

Of the top of my head, you might try:

<dtml-with "_(counter=1)"-->
  <dtml-var counter>
  <dtml-let counter="counter+1">
    <dtml-var counter>
  </dtml-let>
</dtml-with>

-Michel