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Re: Adding `#' at each new line with text until the end of the file
From: |
Merciadri Luca |
Subject: |
Re: Adding `#' at each new line with text until the end of the file |
Date: |
Wed, 08 Dec 2010 15:08:42 -0000 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) |
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pjb@informatimago.com (Pascal J. Bourguignon) writes:
> Merciadri Luca <Luca.Merciadri@student.ulg.ac.be> writes:
>
>> pjb@informatimago.com (Pascal J. Bourguignon) writes:
>>
>>>
>>> So:
>>> (while (< (point) (point-max))
>>> (when (looking-at ".")
>>> (insert "#"))
>>> (forward-line))
>>>
>>
>> After extensive testing,
>>
>> ==
>> (defun fildi ()
>> (find-file "~/Sayings")
>> (goto-char (point-min))
>> (while (< (point) (point-max))
>> (when (looking-at ".")
>> (insert "#"))
>> (forward-line))
>> )
>> ==
>>
>> does not work. When I evaluate it using C-x C-e (in a buffer), it only
>> says `fildi', which does not look very interesting. What am I doing
>> wrong? It finds the file; it goes to the beginning of it; while it has
>> not reached the end of the file, it looks for a line containing a dot
>> (as every saying ends by a dot);
>
> No. Did you read the documentation of looking-at?
No. I should have done it.
> Because that's
> what you should do for every new function you see!
Nice reflex.
> What does the
> documentation of looking-at says about the arguments of the function?
>
> (looking-at ".") tests whether the cursor is at position where there
> is any character, but a newline. That is, it tests whether the line
> contains something, since we should be at the beginning of the line,
> because this is what point-min should be at (actually, unless you
> narrow the region from the middle of a line), and this is ensured by
> forward-line.
Okay, thanks.
>
>> while this works, it inserts a "#"
>> and, as the cursor is at the beginning of the line, it inserts a "#"
>> at the beginning of the line. It also goes to the next line. And?
>
> Wasn't it what you asked for? Otherwise I didn't understand what you
> wanted.
Sure, but, as I explained in my previous message, it does not even
modify the Sayings file. Why?
- --
Merciadri Luca
See http://www.student.montefiore.ulg.ac.be/~merciadri/
- --
All flowers are not in one garden.
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- Adding `#' at each new line with text until the end of the file, Merciadri Luca, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Pascal J. Bourguignon, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Merciadri Luca, 2010/12/08
- Message not available
- Re: Adding `#' at each new line with text until the end of the file,
Merciadri Luca <=
- Re: Adding `#' at each new line with text until the end of the file, Pascal J. Bourguignon, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Merciadri Luca, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Pascal J. Bourguignon, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Merciadri Luca, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Pascal J. Bourguignon, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Merciadri Luca, 2010/12/08
- Re: Adding `#' at each new line with text until the end of the file, Andreas Politz, 2010/12/08