[Zope] String manipulation

[Bak @ kedai]

On Wed, 27 Sep 2000, Spicklemire, Jerry wrote:
> "how can I manage it to cut a string.
>
> for example:
>
> a string property (testtext) with 500 words.
>
> but only want to give out 20 characters of tis text."
>
> Python sequence slicing syntax can be done with DTML, like so:
>
> <dtml-call "REQUEST.set('first_20_char', '_['some_long"string'][:20])">
> <dtml-var first_20_char>
>
> wher the '[:20]' means from the begining of the string, through the 20th
> "slice".
> One thing to be aware of is that the positions start counting at 0, and are
> best thought of as falling "between" the individual characters, like so:
>
> 	 a b c d e f g
> 	0 1 2 3 4 5 6 7
>
> So the 20th position ('slice') is just past the 19th character, if the
> first character is counted as 0.

or.. i think 2.2.x has size as in
<dtml-var myobject size=20>

correct me if i'm wrong though
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