[aplusdev] Mapped files

[Alexei Zalivine]

Hello Martin,

I thinked about it, but I have several tables with many columns. Very
difficult control such many files.
But may be I will choose this way.

Thank you,
Alexei.
>
>     John & Jon have given you the usual and sound A+ solution; it should
> work.  Alternatively, with regularly structured data, you could treat
> each of the components as a separate variable:
>
> 1 'Lesha' 10 'Mandrake'
> 2 'Sasha' 15 'SuSE'
> 3 'Dima' 5 'RedHat'
>
> v1 :1 2 3
> v2: ("Lesha";"Sasha";"Dima") or "\Lesha\Sasha\Dima"
>     (still need sys.exp & imp for the former)
> etc.
>
>     These can then be mapped individually, filters can be built from
> booleans, etc., with the added bonus that the whole may run more
> efficiently than with a nested construct (in all APL-type languages
> nesting has a non-negligible (though not necessarily burdensome)
> overhead.