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Re: I'd like to marry while and mapcar...
From: |
Rasmus |
Subject: |
Re: I'd like to marry while and mapcar... |
Date: |
Fri, 06 Feb 2015 14:18:19 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.0.50 (gnu/linux) |
Marcin Borkowski <mbork@wmi.amu.edu.pl> writes:
> Hello Emacsers and Elispers!
>
> What I'd need is kind of a marriage of while and mapcar: I'd like to run
> some function until it returns nil and make a list of all results it
> gives back until then.
>
> Mu use case is that I'm getting some info from a LaTeX file. For
> instance, assume that I want to make a list of all files \include'd by
> a LaTeX document. I've written a function `get-TeX-macro-arguments'
> which finds the next occurence of a given TeX command, moves point past
> it and returns its arguments; if it does not find any such occurrence,
> it returns nil. So I can say something like this:
>
> (let (current-include (list-of-includes ()))
> (while (setq current-include (get-TeX-macro-arguments "include"))
> (setq list-of-includes (append list-of-includes current-include)))
> list-of-includes)
How about:
(cl-loop while (search-forward-regexp
"^[ \t]*\\\\include{\\([^}]+\\)}[ \t]*$" nil t)
collect (match-string 1))
–Rasmus
--
It was you, Jezebel, it was you