Am 04.12.19 um 16:30 schrieb Allin Cottrell:
On Wed, 4 Dec 2019, Artur Tarassow wrote:
Am 04.12.19 um 08:48 schrieb Sven Schreiber:
Am 04.12.2019 um 08:20 schrieb Artur Tarassow:
Ah, that was my mistake. Sorry for the noise. I don't know why I just
did not make use of the $-accessor, but tried to do some selection.
The following works exactly as (I) expected it :-)
<hansl>
strings S = defarray("A", "B", "C")
loop foreach i S -q
eval $i
endloop
... (etc.)
Are you sure? For me it just reproduces the object itself (array,
matrix...) And that's what I expected, although I totally agree with you
that automatically iterating would be cool.
Oh ok, I've updated to latest git 1 hour ago. So maybe Allin did some work on
this last night but hasn't finished or announced it, yet.
No, I haven't touched that code lately. Here I'm seeing what Sven
says: each of the loops prints the given object once.
A "foreach" loop works only for lists and strings. In the case of, for
example,
matrix M = seq(1,3)
loop foreach i M -q
eval $i
endloop
the loop controller is being fed a single string, "M"; then $i dumps
that string into the "eval" line and the matrix M is printed. The loop
is therefore exactly equivalent to "eval M".
Oh, both of you are right. I should have inserted a stop after the eval
command in the loop block for checking whether I've obtained multiple
outputs or just a single one.
Artur
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