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Questions tagged [buffers]

The text you are editing in Emacs resides in an object called a buffer. Each time you visit a file, a buffer is used to hold the file's text. Each time you invoke Dired, a buffer is used to hold the directory listing.

6
votes
1answer
105 views

Clone a buffer to see the same contents in an other mode

Suppose I'm working on a file in org-mode or enriched-mode or html-mode ..., and I wanted to see the same contents in an other window with an other mode, say text-mode, how to do that? I tried to ...
1
vote
1answer
37 views

How can I automatically swap frame buffers if the buffer is already open?

I've seen the https://www.emacswiki.org/emacs/buffer-move.el script, but I'm trying to something a bit different. Suppose I have a frame with a buffer from file A.h in it and A.cpp in another frame ...
2
votes
1answer
46 views

show top 5 used buffer at the bottom of buffer

I'm currently using helm-buffer, and I have bind my c-x b to (helm-buffers-list),however when I switch buffer, I still have to: 1. c-x b 2. type some works 3. enter sometimes, I probably just ...
0
votes
2answers
43 views

Save place in files but don't move the cursor to the saved position automatically

I'd like to have a command that moves the cursor to the last position it was in when I left the buffer (either by killing it or by killing Emacs). I know I can use saveplace.el to save the position ...
1
vote
1answer
231 views

How to edit and return value of string in Emacs Lisp?

Here is what I wish to achieve: (defun rcd-edit-value (value) (let ((file (make-temp-file "rcd-db-" nil ".txt" value))) (find-file file) (string-from-file))) (defun string-from-...
1
vote
1answer
38 views

Avoid spurious buffers with helm-find-file

I have C-x C-f bound to helm-find-files. Mostly this works really well, but if I hit TAB when there are no completions for an item (most often because I've fumble-fingered the directory or filename ...
1
vote
1answer
36 views

Set the major mode of a new buffer interactively

When creating a new buffer via: C-x b NonExistentBufferName RET RET I would like Emacs to ask me what major mode this buffer is going to use upon opening. Moreover, I want Emacs to infer the major ...
0
votes
0answers
40 views

How to show the output of a command in a quick-fix window?

If I have a command that runs and generates the following output. /path/to/file.rst:1 /another/path/to/file.rst:42 How would I call the command so a buffer is opened and clicking on the line jumps ...
1
vote
1answer
31 views

Select *Input History* buffer

The Emacs *shell* has a nice command history accessible via C-c C-l (comint-dynamic-list-input-ring). However, in classic Emacs fashion, the *Input History* buffer which displays the history is not ...
0
votes
0answers
35 views

Force opening file in new buffer

Is there a way in emacs to open a file (or a dired directory) in a new buffer, even if there's a buffer with the same file (or directory)? find-file and find-alternate-file always return the open ...
8
votes
5answers
2k views

Revert all open buffers (and ignore errors)

When working on a project under version control with git, I often want to do some things in a shell that affect many of my open files, then revert every buffer that I have open to make sure that I don'...
0
votes
0answers
10 views

How to use helm-locate (or similar) when saving a buffer?

When opening a file, I often use helm-locate to quickly access any file anywhere. But when saving a new buffer, I navigate through the directory structure to get the location I need. Is there a way to ...
0
votes
1answer
91 views

Emacs daemon multiple buffers for same file

When running Emacs as a daemon, function find-file automatically selects and uses a preexisting buffer that is visiting the same file. My problem is, when using the same buffer in multiple frames ...
1
vote
1answer
33 views

How to make *Shell Command Output* buffer scroll to the end?

I often execute shell commands via M-! and their output is then shown in the buffer *Shell Command Output*. How can I make this buffer display the end (rather than the beginning) so that I can see ...
1
vote
1answer
31 views

desktop-save-mode: prevent emacs from showing each buffer on start-up

If you use desktop-save-mode, and have several hundred buffers saved, when you start emacs, emacs cycles through these buffers and shows each of them for a split second. Can this be prevented?
1
vote
1answer
21 views

emacs 25: display-buffer-other-window behavior change, how to tune for the old way?

I have a number of macros for browsing source code for many emacs versions. I wrote this in 2009 and it's been solid until upgrading to U18.04. I know it worked in U16.04: (defun get-file-from-...
0
votes
1answer
32 views

Treat symbolic-link as separate files while visiting

Is there a way to make Emacs visit already visited file(with active buffer) via symbolic-link as a different file? I want them(links/file paths) to be visited by different buffers. It will be best if ...
0
votes
1answer
17 views

What does it mean in ebib when a field of an entry is preceeded with an asterisk '*'?

When viewing entries in a database in ebib, some fields of some entries are marked with an asterisk (*). In my case, these are usually year or month field. I don't see a rhyme or reason to the types ...
4
votes
2answers
94 views

How to toggle between previous buffer in a given window (e.g toggle-previous-buffer-in-window)?

How can I make Emacs toggle between the previous buffer within a single window (e.g. ignoring buffer changes in other windows)?
2
votes
0answers
154 views

reopening emacsclient -t with desktop-save-mode doesn't save buffers/frames in place [duplicate]

I added (desktop-save-mode 1) to my custom.el towards the end to save buffers and frames. But I primarily use emacs --daemon and start an emacsclient -t. For some reason, if I use just Emacs the ...
1
vote
2answers
25 views

cycling between minibuffer and last window|buffer

I'd like to cycle between an active minibuffer window and the last recent buffer. 1 (defun cycle-to-minibuffer-window () 2 (interactive) 3 (when (active-minibuffer-window) 4 (if (...
0
votes
2answers
41 views

Sort lines in a string

Given I have a string that maybe came from a buffer, or a clipboard, or wherever; how do I sort-lines in it? Given that sort-lines only works with a region, I assume I have to put it to a temporary ...
31
votes
7answers
6k views

How do I find text across many open buffers?

Lets say I have 10 buffers open, and I want to find all occurrences of blah in all 10 buffers. How would I do this?
2
votes
3answers
380 views

Multiple grep results buffers

Let's say I want to grep word1 and word2. If I use the grep command for word1 I get the results in the *grep* buffer. If I then use the grep command for word2 I loose the old results and get the ...
1
vote
0answers
37 views

Do buffers have the notion of a “parent”? [closed]

Often times, when I'm done a task, I'd like to close out of all buffers I was using for it. However, I usually don't, because I think it'd be a pain. What I'd like is to be able to kill all buffers ...
8
votes
4answers
952 views

How can I run a keyboard macro in selected buffers from Ibuffer or selected files from dired?

If I have to do some variable name refactoring, I use ag and multiple-cursors. But when I have to do some code block removal/addition/moving, I use keyboard macros. But I need to switch to each ...
10
votes
5answers
1k views

Simple method for creating multiple eww buffers

M-x eww prompts for url or keywords and opens a new *eww* buffer. In eww-mode, G is bound to eww, which replaces the content of the single eww buffer. To make multiple buffers for different webpages,...
1
vote
1answer
33 views

How to change font size only for the buffer *Org Export Dispatcher*?

I'm using emacs with a large font, however I do not need the font to be too large on certain buffers and/or modes. For example, when I use neotree I use a different font and a smaller size, I do that ...
0
votes
0answers
26 views

Display annotation contents horizontally in pdf-tools *with* live-preview

When looking at annotations with the pdf-annot-list-annotations command from the pdf-tools package, I prefer to preview my annotation contents in a separate buffer, which is the default behavior. ...
0
votes
0answers
25 views

Emacs flashes when changing buffer with `ido-switch-buffer`

When I change buffer via ido-switch-buffer and enter a python buffer my entire Emacs flashes visually for a second. If I handle other files the same way, it does not. What can be the reason for that? ...
0
votes
0answers
24 views

buffer opens in window below if font size is changed

In my config file I changed the line (set-face-attribute 'default nil :height 100) to (set-face-attribute 'default nil :height 90) and suddenly, when I try to open a file in a separate vertical ...
0
votes
0answers
57 views

Removing buffers from buffer list

This is my first day on Emacs, and I am really liking it so far, but I cannot seem to be able to work correctly with buffers. I am trying to kill specific buffers with C-x k, however upon checking the ...
1
vote
5answers
172 views

Replacing buffer content without losing point

I looking into extending atomic-chrome to work with text areas that can be modified from the server side, such as site providing collaborative LaTeX editing. The plugin provides updates containing the ...
0
votes
1answer
73 views

Killing a window without killing the associated buffer

I have a weirdly specific way I like to organize my windows when working with C, and where emacs opens the compilation window really bugs me. I try to close it and switch another window to the *...
0
votes
2answers
80 views

How to redirect output from eshell to any open buffer in Emacs?

I have my eshell opened in a window and in another window I have *Scratch* as a open buffer. I want to redirect the output of a command like say ls to *Scratch*. Is it possible? If yes, then how can I ...
0
votes
1answer
48 views

Identify buffer by part of its name

Is there a way to select a buffer by part of its name using elisp? For instance, the ag package may create a buffer called *ag search text:MyPtyhonClass dir:c:/projects/my_module/* or the realgud ...
1
vote
3answers
85 views

Static Buffer List

I'd like to use emacs more, but I'm still used to some of my previous workflows I know from most modern IDEs. What my emacs lacks most is a static list of the open buffers or files. By static I mean: ...
1
vote
5answers
74 views

Copy-paste text among Split Window Buffers

Say I have split my main Emacs Window into 2 : LEFT and RIGHT. My cursor is currently in LEFT. How do I copy some text from LEFT to RIGHT without going to the RIGHT window?
0
votes
2answers
86 views

What does the prompt mean for `has changed since visited or saved. Save anyway?`

When I try to save a buffer back to a file: install-packages.sh has changed since visited or saved. Save anyway? (yes or no) I don't know why it happens, but I also see #install-packages.sh# ...
5
votes
0answers
75 views

Why is cloning of file buffers prohibited?

Why does clone-buffer not work on file buffers. I can make it work by the following advice: (advice-add 'clone-buffer :around (lambda (oldfun &rest args) "Allow cloning file buffers." ...
0
votes
1answer
62 views

Reuse help window

How to set up Emacs so that once one "help" window (e.g. describe, info, man) is displayed, all subsequent "help" buffers open in the same window? For example, if I open a describe-function buffer ...
3
votes
2answers
29 views

how can I unit test my font-face rules?

I would like to unit test my font-face keyword rules against some source code data sets. It sounds like it should be quite easy: open the source file, enable the mode, force fontification, dump out ...
-1
votes
1answer
24 views

Function that outputs changes made in buffer

Is there any function that would tell me what changes were made to buffer? I know i can use change hooks to detect changes, but i can't find how to get output of changes. More specifically I would ...
0
votes
1answer
51 views

Eshell command in another window keeping focus in the working one

Ho can I run an eshell command in another window keeping focus in the working one? Let's say I'm scanning a buffer searching for a regexp (to be precise an URL) and every time I find it I want to ...
4
votes
4answers
616 views

Per Frame Buffers

How to make buffers accessible only from one frame(window) and not accessible from another and vice versa? So I want to have each frame with its own buffers. I'm on OS X.
4
votes
2answers
131 views

How to show part of buffer in different buffer?

I have a buffer with some data. I want to select part of buffer and open the selection in different buffer (and window) to make it easier to read for me. Is there some function that does it? I am ...
1
vote
0answers
58 views

migrated from emacs 25 to 26.1: cannot force find-file/counsel-projectile-find-file to always open buffer in current window

Recently I migrated from emacs 25 to 26.1. Before I reached the window behaviour, where I could always open a file at the window at point. The most simple case to illustrate undesired behaviour: I ...
2
votes
1answer
146 views

A different color for each client

Today I started using desktop-mode. It's nice to be able to save a desktop using the desktop-save command, and load one using the desktop-change-dir command. Sometimes I do M-x cd to change the ...
2
votes
1answer
257 views

Projectile buffer names with project relative filenames

I have a largish project with many hundreds of source files involved, and duplicate filenames. I would like to set the buffer names (automatically) to the (projectile) project relative path, instead ...
0
votes
1answer
72 views

How to open the same file as two separate buffers so that modifying one does not modify the other?

I am debugging an ocaml program with M-x camldebug while adding comments to the source code and the debugger shows incorrect positions in my tuareg/merlin window. It shows the positions as present in ...