Re: Removing characters from a string
Re: Removing characters from a string
- Subject: Re: Removing characters from a string
- From: Kai Edwards <email@hidden>
- Date: Tue, 29 Oct 2002 19:18:19 +0000
on Tuesday, October 29, 2002, at 06:56 AM, Paul Skinner
<email@hidden> wrote:
>
On Tuesday, October 29, 2002, at 06:56 AM, Kai Edwards wrote:
>
>
> ---------------------------------------------------
>
> set tid to text item delimiters
>
> set l to {".", ",", "/", ":", tid}
>
> set n to "this/might not.be a legal:name, then again, it could be."
>
> set text item delimiters to l's item 1
>
> repeat with i from 2 to count l
>
> set {n, text item delimiters} to {(n as string)'s text items, l's item
>
> i}
>
> end repeat
>
> set n to n as string
>
> if n's length > 32 then set n to n's text 1 thru 32
>
> n
>
> ---------------------------------------------------
>
>
Looping through only the smallest useful set is always the best option,
>
and your TIDs loop is tight! I like it.
Thanks, Paul.
TIDs avoided the need for character-by-character analysis, while the
manipulation of text, rather than list items, also helped to boost the
overall speed. (OMM, the above variation generally runs 9-10 times faster
than the original suggestion.)
>
Minimally this could be...
>
>
set AppleScript's text item delimiters to ""
>
set n to "this/might not.be a legal:name, then again, it could be."
>
repeat with d in {",", ".", "/", ":"}
>
set {n, text item delimiters} to {(n as string)'s text items, d}
>
end repeat
>
if length of (n as string) is greater than 32 then set n to (n as
>
string)'s text 1 thru 32
Unfortunately, that's just a little too minimal for my machines:
--> "this/might not.be a legal:name, "
I'm afraid that the TIDs also remain set to the last item in the list (":")
- which of course may produce unexpected results elsewhere.
(Tested on OS 8.1/AS 1.1.2, OS 9.1/AS 1.5.5)
Best wishes.
Kai
--
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