The merge function is awesome!
gcanyon at gmail.com
Fri Jan 18 13:57:27 EST 2019
On Fri, Jan 18, 2019 at 3:23 AM Mark Waddingham via use-livecode <
use-livecode at lists.runrev.com> wrote:
> On 2019-01-18 06:48, Geoff Canyon via use-livecode wrote:
> > I was in the same position with merge(). If you haven't seen it
> > already,
> > format() has some pretty amazing capabilities as well.
> To answer your question about escaping - yes there is:
> [[] -> [
> []] -> ]
Ha, so my string ends up as:
[[the name of tID]] - [[][[the id of tID]][]]
That's a lot of square brackets!
> Also the merge function has another feature (which I think was actually
> undocumented for a long time - although, for once, it is there now!):
> 1) "[[ 1 + 2 ]]" -> 3 (function / expression evaluation)
> 2) "<? if 1 + 2 is 3 then return true else return false ?>" ->
> (command / statement evaluation)
> Basically (1) does the equivalent of 'value()' on the string enclosed in
> [[ / ]]; whilst (2) does the equivalent of 'do <script>' on the string
> enclosed in <? and ?>.
(2) is not documented well at all. I had to go to
http://newsletters.livecode.com/august/issue55/newsletter2.php to figure it
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