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Re: How can I change "buffer" to "string"
From: |
Navy Cheng |
Subject: |
Re: How can I change "buffer" to "string" |
Date: |
Wed, 5 Aug 2015 14:35:20 +0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
Sorry for my ambiguous question.
For example, I have a buffer *mybuf*. The buffer contain some lines. such as
1. ...
2. /home/navy/test.c
3. ...
Now, I want to assignment the path in line 2 to a variable, *path*. And I
to (find-file path).
Thank you.
On Wed, Aug 05, 2015 at 07:53:27AM +0200, Pascal J. Bourguignon wrote:
> Navy Cheng <navych@126.com> writes:
>
> > Hi,
> > I want to change one line in a *buffer* to *string*, How can I do that ?
>
> Your question is ambiguous.
>
> Assuming you have a current buffer and a variable bound to a string,
> if you want to replace the line where the point is currently with the
> contents of your string, you could do:
>
> (delete-region (progn (beginning-of-line) (point))
> (progn (end-of-line) (point)))
> (insert string)
>
> For example, to change the first line of the *scratch* buffer, you could
> evaluate:
>
> (let ((string ";; This is a new line for a lisp buffer."))
> (with-current-buffer "*scratch*"
> (goto-line 1)
> (delete-region (progn (beginning-of-line) (point))
> (progn (end-of-line) (point)))
> (insert string)))
>
>
> --
> __Pascal Bourguignon__ http://www.informatimago.com/
> “The factory of the future will have only two employees, a man and a
> dog. The man will be there to feed the dog. The dog will be there to
> keep the man from touching the equipment.” -- Carl Bass CEO Autodesk