There should be a "unique" option on sort . . .

dunbarx at dunbarx at
Sat Jan 4 23:54:34 EST 2014

I am with Mark.

And in any case it is simple and fast to delete duplicates, if that is what is desired, in a few lines of code.

The idea of singling out one instance seems more like a job for "filter".


-----Original Message-----
From: Mark Wieder <mwieder at>
To: How to use LiveCode <use-livecode at>
Sent: Sat, Jan 4, 2014 8:07 pm
Subject: Re: There should be a "unique" option on sort . . .

> yes, or to only take the first that matches the sort key if sorting by
> other than the full record.

I can see it being slightly useful in certain cases, but it leaves me
feeling a bit queasy. I think it's unsettling enough that the sort
command sorts in place instead of being a function that returns a
sorted copy, and of course it's way too late to change that now. So
deleting items from a dataset while sorting them seems one more step
down that ladder. I do realize that you'd have to specify "unique"
explicitly, but still... if it didn't mess with the original data set
I'd be all over this.

-Mark Wieder
 ahsoftware at

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