Darren New wrote:
> Invisible wrote:
>> I'm pretty sure I remember several occasions where if a certain 
>> expression happened to return only 1 item, it tried to interpret the 
>> item as a list. IOW, when the expression finds multiple matches, 
>> everything works fine, but when it finds exactly 1 match it 
>> malfunctions horribly. Took me ages to figure out why...
> 
> You would need to either return a list, or return one item. If you want 
> to return either, you need to return a list of one item. Otherwise, yes, 
> if you sometimes return a list, and sometimes return one item that looks 
> like a malformed list, then you're going to confuse yourself.

If was more that I was processing a list, filtering out some of its 
content, and if it turned out that the result was exactly 1 element the 
script behaved in a different way than it did when the filtering yielded 
several elements.

But anyway, why worry? Just stop using Tcl. ;-)

-- 
http://blog.orphi.me.uk/
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