Delete columns... How?

[FlexibleLearning.com]

Not had a chance to confirm your findings below, Alex, but if so then your
assessment is most likely correct.

Well found, that man!

When (if) I get some time, I'm thinking a generic method would be useful to
delete arbitrary columns from a data set.

Meanwhile, I have submitted an enhancement request (along with a Combine by
Column bug in LC7DP10, #13297).

Hugh Senior
FLCo

Alex Tweedly <alex at tweedly.net> wrote...

> Because (I imagine)  "combine ... column" requires that the keys be
> consecutive numbers.
> 
> This does work (deleting column 2, just for testing, and omitting the
> safety check that there are at least 3 columns :-)
> 
> on mouseUp
>     set the columndelimiter to comma
>     get fld 1
>     put it into tVar
>     split tVar by column
>     put the number of lines in the keys of tVar into N
>     repeat with i = 3 to N
>        put tVar[i] into tVar[i-1]
>     end repeat
>     delete local tVar[N]
>     --  delete local tVar[2]
>     combine tvar by column
>     put tvar after msg
> end mouseUp
> 
> -- Alex.
> 
> On 29/08/2014 10:33, FlexibleLearning.com wrote:
> > Related problem to 'join columns': How to delete a column of data?
> >
> > This fails...
> >
> > on mouseUp
> >    get fld 1
> >    split it by column
> >    delete local it[2]
> >    combine it by column
> >    put it into fld 2
> > end mouseUp
> >
> > It seems that 'combine by column' requires the same number of array keys
> as
> > the original data set.
> >
> > Hugh Senior
> > FLCo
> >
> >
> >
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> 
> ------------------------------
> 
> Message: 26
> Date: Fri, 29 Aug 2014 20:21:28 +0300
> From: Richmond <richmondmathewson at gmail.com>
> To: "USE >> How to use LiveCode" <use-livecode at lists.runrev.com>
> Subject: Simulcast
> Message-ID: <5400B698.2090303 at gmail.com>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Can anyone tell what "direct to video" means?
> 
> In the Simulcast e-mail there are 2 links to the 2 tracks [i.e. 4 links];
> the second and the fourth marked as "direct to video".
> 
> I wonder how those differ from the offerings at the first and third links?
> 
> Richmond.
> 
> 
> 
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