placeholder in object name?

[Michiel Spape]

Hiya,
Fair question, it sometimes bugs me as well. Perhaps David can provide a better answer than I, but I believe, tentatively, no. That is, we can't just make variables on the fly, such that 
Dim part1 as string
part1 = "a"
Dim part1 & "b" as string
...Will not result in a new variable, called ab, being created, but rather that an error is being thrown. Sadly. A true dynamic programming language should have such abilities, but not, as far as I know, VB (although one might make such a programming language using VB, perhaps?).

That said, there is usually a way around it in the form of using arrays or creating whole new objects. I.e. you can not only have such simple things like an array of integers, but also create an indexed object, so that decksoutcome(1).States(showdecks) should be possible. I personally find it easier, however, to start using a different language rather than getting frustrated with E-prime.
Best,
Mich

Michiel Spapé
Research Fellow
Perception & Action group
University of Nottingham
School of Psychology
www.cognitology.eu


-----Original Message-----
From: e-prime at googlegroups.com [mailto:e-prime at googlegroups.com] On Behalf Of liwenna
Sent: 15 February 2011 14:38
To: E-Prime
Subject: placeholder in object name?

Hi all,

I got a question!

"Long explanation
if not interested goto *****

In an experiment one of four procedures will be run in order to show
the outcome of a chocie made by the participants (choose one of four
decks, the outcome displays differ per choice made so the program is
redirected to one of four procedures that hold the different outcome
slides).

On each of these outcome procedures I have an inline to redirect the
program in case of participants clicking outside a certain button.
This inline starts with collecting the mouse responses and in this
line of code the name of the slideobject on which participants clicked
has to be specified. The name of this slidedisplay obviously differs
over the four procedures and this difference is simply the answer (a,
b, c, d): i.e. decksoutcomeAupdatedcounters,
decksoutcomeBupdatedcounters etc.

Now.. this inline has to appear in all four procedures but the
slideobject that is defined has to differ on this one letter... and
although it is little effort to simply make four separate inlines (as
I now did) I would so much like to know if it would have been possible
to use one single inline for all four procedures in which, somehow,
the value of the attribute "response" (or... the variable strhit for
that matter) is placed into the objectname.

*****
I was trying to get something like this working...:

dim r as string
r$ = c.getattrib("response")

	Set theState = decksoutcome&r$&updatedcounters.States(showdecks)

... but to no avail.

Does anyone know how to do this? I'd like to learn for future use :)

Thanks in advance,

AW

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