Re: Folder action to rename files
Re: Folder action to rename files
- Subject: Re: Folder action to rename files
- From: Matt Neuburg <email@hidden>
- Date: Wed, 24 Aug 2005 10:28:46 -0700
On Wed, 24 Aug 2005 13:20:23 +0100, pete boardman <email@hidden>
said:
>I'm having trouble with this folder action, which is supposed to add
>a date stamp to a file's name when added to a folder. It seems to
>repeat the renaming action on the same file each time when I add a
>bunch of files. Can anyone point out my error?
I didn't bother to read your code, but let me point out that this problem is
specifically addressed in my book. As you cycle thru files renaming them,
you are changing the very thing you are cycling thru, so the way you are
pointing at those files can break down. For instance, item 3 of folder
"whatever" depends on that file's name in alphabetical order. If you change
that, your script can go haywire.
A simple and obvious solution is to start by gathering the ids of all the
items you intend to operate on. Now use only those ids to refer to the files
(i.e. cycle thru the list of ids WRT the folder so that everything remains
constant, not a list of files where you don't know what might happen).
m.
--
matt neuburg, phd = email@hidden, <http://www.tidbits.com/matt/>
A fool + a tool + an autorelease pool = cool!
AppleScript: the Definitive Guide
<http://www.amazon.com/exec/obidos/ASIN/0596005571/somethingsbymatt>
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