[albatross-users] al-if question

[Gabriel Cooper]

<al-value expr="locals().get('blah','Blah does not exist!')"/>

<al-if expr="locals().get('blah',False)"/>
    Blah Exists
<al-else>
    Blah Doesn't Exist
</al-if>

Axel Steiner wrote:

>Hi,
>
>this may be a stupid question, but I'm new to Albatross
>and didn't find a solution in the documenation. How
>can check with al-if, wether a variable is defined or not?
>When I try a <al-if expr="bla"> and bla is not defined I
>get an error....NameError: name 'bla' is not defined
>But I need something like this, because the variable
>will be defined later.
>
>Thanks,
>Axel
>
>---
>"Unix is very user-friendly. It's just picky who its friends are."
>
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