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From: John Kitchin <>
To: Axel Kielhorn <>
Subject: Re: Two tables with same data but different sorting
Date: Fri, 02 Oct 2020 17:04:07 -0400
Message-ID: <> (raw)
In-Reply-To: <>

I don't know of something built in, but dash provides a few things sort
of like that:

#+BEGIN_SRC emacs-lisp :results raw
(-last-item '(a b c))


#+BEGIN_SRC emacs-lisp :results raw
(-slice '(a b c) -1)


#+BEGIN_SRC emacs-lisp :results raw
(-take-last 1 '(a b c))


surprisingly, it does not seem to support negative indices, but I guess
it would not be hard to make a wrapper that does that.

Axel Kielhorn <> writes:

>> Am 01.10.2020 um 17:47 schrieb John Kitchin <>:
>> Glad it was helpful. You might also try (seventh row1) or (nth 6 row1). I think it is the same thing, but more obvious to read!
> I agree that „first second …“ would be easier for an english speaker.
> Having the ordinal number 1 based but the nth number 0 based is irritating (and sadly there is no „last“ or „penultimate“).
> Actually I was looking for something like last element or the element before the last element.
> (nth -1 row1) for the last row would be fine, but I guess that is the Python whispering in my ear.
> Combined with the right :exports I now get what I want.
> Thanks again for this additional information.
> Greetings Axel

Professor John Kitchin
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213

      parent reply	other threads:[~2020-10-02 21:04 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-01  8:55 Axel Kielhorn
2020-10-01 12:21 ` John Kitchin
2020-10-01 14:36   ` Axel Kielhorn
2020-10-01 15:47     ` John Kitchin
2020-10-02  6:25       ` Axel Kielhorn
2020-10-02  9:36         ` Robert Pluim
2020-10-05  8:08           ` Axel Kielhorn
2020-10-05  8:32             ` Robert Pluim
2020-10-05  9:21               ` Axel Kielhorn
2020-10-05  9:45                 ` Robert Pluim
2020-10-02 21:04         ` John Kitchin [this message]

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