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Re: return column from table as a column

From: Roger Mason
Subject: Re: return column from table as a column
Date: Sat, 14 Aug 2021 08:00:11 -0230
User-agent: mu4e 1.5.6; emacs 27.2

Hello Juan,

Juan Manuel Macías writes:

> You're welcome. Just a minor fix: although the code works fine,
> naturally the asterisk in `let' was unnecessary. This is a new version
> with the code explained, in case you find it useful:
> #+begin_src emacs-lisp :var data=s1 col=3
>   (let* (
>        ;; return a list from elemens in column number `col'
>        (list-from-column (mapcar (lambda (r) (format "%s" (nth col r))) data))
>        ;; make a list of lists = a new table that contains one single column
>        (new-table (mapcar 'list list-from-column)))
>     new-table)
> #+end_src

Many thanks for this.  A looong time ago I was capable of programming in
emacs-lisp.  Alas I have not maintained my skills.

Best wishes,

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