Re: Importing/parsing CSV files
Re: Importing/parsing CSV files
- Subject: Re: Importing/parsing CSV files
- From: Yvan KOENIG <email@hidden>
- Date: Wed, 13 Sep 2006 07:49:53 +0200
Le 13 sept. 2006 à 06:02, kai a écrit :
The article explains that the speed of access to items in a
particularly long list can be substantially improved by using a
reference to that list - rather than by referring directly to the
list itself. The precise reasons for the performance
characteristics of references in this context are not generally
known. It may have something to do with the short-circuiting of
certain checks that AppleScript normally makes for circular
references - and possibly with the way in which a list is accessed
internally.
It was evidently Serge Belleudy-d'Espinose who discovered that
using a script object's properties to reference a list was not only
more efficient than direct access, but also faster than using "a
reference to". (Global variables or script properties could also be
used for similar referencing, e.g: "item n of *my* scriptProperty".)
If you read french, you may look at this page :
<http://trad.applescript.free.fr/aplea.html>
and download "Allez plus loin en AppleScript".
Yvan KOENIG _______________________________________________
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