Questions tagged [region]

The text between the point and mark in a buffer.

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47 views

How can I provide the first-error and next-error initial positions as region selection in order to save to the kill-ring?

I am running a make command. I'd like to capture the first error and output it to a file. How can I select as a region from the beginning of first-error position to the position right before the next-...
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1answer
51 views

How to code a command to `write-region` to a particular file?

I have a system that I am not allowed permissions to install software but need to copy text from the remote server to the host computer's system clipboard. Because I can't install xclip or xsel and I ...
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0answers
31 views

Is there a way to move region with arrow keys or similar?

Say I have a function int calc(int that, int this); I want to mark int that and then move it right across words by hitting modifier arrow key (or similar) twice to get int calc(int this, int that); ...
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1answer
40 views

Background color of matching parentheses overlays the region background color

I have set lime as a background color for my region, and I also have enabled to highlight matching parens using (show-paren-mode 1). The issue I have is that when I exactly select the contents ...
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1answer
21 views

How to delete the text between the tags of an XML element?

I need to delete a block of text between 2 tags, including tags themselves. I tried this: (defun my-delete () (interactive) (beginning-of-buffer) (search-forward "<%ARGS>") ...
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8 views

how to differently indent different regions in the same buffer?

I have some scraps of xml and some scraps of scheme in the same buffer I'd like to indent the xml with svg-mode and scheme with the scheme-mode I know that org mode can do that but that is ...
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1answer
23 views

Add a border around the region by inserting a given character

There's here, for example, given text: WASP-41b 0.94 1.18 3.052404 0.04 1244 transit 590 0.93 5545 WASP-42b 0.527 1.122 4.9816819 0.0561 ...
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1answer
287 views

Is there an emacs package which can mirror a region?

Say, I have a buffer A in which there is a region of text from some position pos1 to an other position pos2. I switch to buffer B, call a function with buffer A, pos1 and pos2 as parameters and it ...
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3answers
88 views

How to check if a region is selected by mouse?

Usually a mouse selected region is highlighted and a region set by (set-mark-command) is not highlighted. But I don't know a programmatic way to check it. Could anyone help?
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1answer
45 views

How to leave mark region highlighted when switching windows

I usually have my Emacs frame split into windows. I'll select something in one window and then switch to another buffer. When I do this Emacs removes the active-region highlghting in the original ...
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1answer
76 views

Run current line or selection in shell then insert result in Emacs buffer (Acme workflow)

Given lines like these: pwd echo "Hello \ World" in a buffer, I would like to do the following: Put the cursor to the first line, then press C-` Select lines 3-4 then press C-` to send the line ...
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30 views

(octave-mode) highlighted region remains highlighted after command

I am in octave-mode running an inferior octave shell. Now I mark a region and issue 'octave-send-region'. All commands are executed as expected and echoed in the shell buffer, and the highlighting is ...
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2answers
95 views

Select to the sentence of line in a shortcut

C-k and M-k could delete forward to the end of line and sentence respectively. How could only select to the end in a shortcut? Usually select a sentence and append it to a file for further ...
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0answers
32 views

Add whitespace as indentation with `indent-region`

When using indent-region, emacs will indent code and leave bank spaces untouched. It seems to me that the majority prefer to delete whitespace. However I prefer white space indented with the code. An ...
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0answers
42 views

show white spaces only when region is selected

whitespace-mode will show the whitespace all the time in entire buffer, Is there the way to show whitespaces only when the region is selected. which is pretty cool to have, does there mode exist for ...
3
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1answer
98 views

How to stop backspace from doing kill-region?

(I'm using Emacs for more than 25 years, starting in version 18.58 I think) Recently Emacs received changes that make an old-time user quite desperate, and I wonder how to revert some of those ...
1
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1answer
47 views

How to prevent deactivating the region after a command?

When a function is called on a region, I want a visual indication of affected area (a blink for ex.). Say, I've written a function upcasing previous word, and after evaluation I immediately get the ...
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1answer
39 views

Searching text between markers as in Nota Bene

The Word Processor Nota Bene has a feature which I would like if possible to emulate within Emacs. One can insert into a document non-printing markers which are then used to delineate areas of text or ...
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1answer
29 views

Command that does different things based on whether something is selected

I am trying to make emacs function somewhat like sublime text, where C-x cuts text that is selected and cuts the whole line when nothing is selected. I got the full-line cut to work using (global-set-...
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1answer
51 views

Search within column or rectangle

Is there a simple way to search within the current column or within a rectangle? I am navigating a CSV file and would like to find the value "10" in a particular column. Searching the entire file is ...
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1answer
96 views

Set value of a variable to region text

I would like to write a script where I can select some text as the region, extract the selected region as a string, modify it, and pass it to another program. I am playing around with ielm and see ...
1
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1answer
48 views

(goto-char (region-end)) doesn't set the point to the end of the region

I have written a small elisp script which should put oneline or multiline comments based on the current buffer's major mode. The source file is here: https://github.com/amirteymuri/Com/blob/master/...
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1answer
74 views

How can I apply a keyboard macro to every line that starts with rectangle mark region

Lets suppose I would like to edit my text and to add comments to the column in the text. This is my text: something-text1 foobar1 something-text1 something-text2 foobar2 something-text2 --- ...
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1answer
60 views

Mark isearch result

I'd like to mark the current isearch result so that it can be copied or cut (killed) via M-w and C-w. Is there a ready-made function for this? The solution below provided by @danielpoe over here ...
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3answers
255 views

changing todo state of multiple headings at once

I've got a list of todo's, and I'd like to change all of the todo's in that list with a single command, instead of moving point to each item and changing the status manually. For example. * TODO Item ...
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2answers
73 views

Is it possible to apply a function to every region between two “marker” lines?

I have a .tex file that looks something like this: $ cat foo.tex \begin{document} \begin{question} lots of multiline text with several paragraphs of information \end{question} other text \begin{...
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1answer
104 views

mark-whole-buffer followed by kill-ring-save not working correctly

I'm using Emacs 26.1 on MacOS. Instead of copying the entire buffer I get a warning: Saved text until "text where is stopped saving with whitespace seemingly to the end of the buffer " I'm ...
3
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1answer
58 views

Making a region without point

From my understanding, Emacs creates a region my setting a mark and then anything between 'mark' and 'point' is the current region. I'm wondering if there is a way to create a region with only marks, ...
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2answers
42 views

Shortcut to put the selected region in an ordinary LaTeX environment (not with begin-end style) using auctex

In auctex if one has a selected region and then apply the command c-c c-e (LaTeX-environment) then by selecting an environment, the selected region will be folded between that environment. Is there a ...
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2answers
58 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 ...
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2answers
257 views

Change foreground color of a region (temporarily)

I need to change the "OBJECT" string foreground color (let's say "red") in all the occurrences of the string "\command{OBJECT}" in my buffer and I need to restore the original foreground color at the ...
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1answer
28 views

How faster show multicursors on the end of all lines?

Som teext 1111111111 2 33333 4444444444444 5555 9999 6666 aaaa aaaaaa zzzzzzzzz hello prev do this My steps: Put cursor to the beginning of first line (1111111111) Press C-> (mc/mark-next-...
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1answer
92 views

Custom function to apply bold face to a region

I know there is a function called: facemenu-set-bold, which is bound to M-o b, but I'm trying to write my own as an exercise. Here is my code: (defun my-function() "this is my function" (...
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2answers
87 views

Count the number of paragraphs

There are plenty of ways to count lines, words, and characters in Emacs. For instance, invoking M-= (AKA count-words-region) does that very thing on a given region. However, I am having trouble ...
3
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1answer
137 views

Unfill `mu4e` message before sending

I would like to unfill all paragraphs before sending a message with mu4e. This is because format=flowed is not respected by all platforms (particularly Gmail). I figure that message-send-hook is the ...
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0answers
77 views

How to delete a long region by setting a mark and then searching for the location of the end of the region?

I have a long document. I placed two unique identifiers, in the form of short strings of printable English letter, in two positions in the document. The identifiers are far apart. My task is to delete ...
2
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1answer
116 views

making specific regions of a buffer read-only

I know it's possible to make a "portion" of a buffer read-only. As an effect, the whole line becomes uneditable. What I would like it to make a specific region uneditable, for exemple a rectangle ...
1
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1answer
39 views

Make region transient in elisp function

I'm trying to write a function that exits isearch leaving the current match selected "transiently", so that the mark is deactivated by any unshifted movement command. I've tried to modify this ...
4
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1answer
26 views

Idiomatic handling of region boundaries while modifying its content

I want to write a function to indent SQL embedded in a markdown file. It seems to make sense to use the region for this. However, the looping form I am using is: (defun rr/sql-indent-region (...
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2answers
92 views

Commands or shortcuts to put a selected region between parentheses or brackets in auctex

If some region is selected region, then applying a command (such as the commands which insert an environment) provided by auctex results in putting the region in the corresponding environment. Is ...
0
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1answer
89 views

How to convert paragraph into the line?

I've need a function which convert a paragraph into the line, sort each space separated set of characters and fill it back to paragraph. In: Supposedly there are over one million words in the ...
5
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0answers
49 views

Point belongs to window - mark belongs to buffer

In Emacs the point belongs to a window: this allows a buffer to be displayed in two different windows at the same time. The mark belongs however to the buffer. Conceptually the mark and a point ...
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0answers
81 views

Interactively matching beginning of region

Short version: If i bound the scope of a search/replace to a region in the buffer (via the second/third optional argument of search-forward and its derivates), how can i match the beginning of that ...
4
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1answer
47 views

Allow C-w to kill a region only if it is selected

Sometimes (rarely I would say) I press C-w by mistake and if the mark defines a non empty region, it gets deleted. The few times this happened I just pressed undo, but I am afraid that sooner or ...
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0answers
94 views

How can I execute a python script on a given region of my buffer?

I have a .tex source and a python script called comments.py. This script reads my .tex source as input, does some operations on it and write a .com file as output. Then I have to reneame .com as .tex ...
2
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1answer
133 views

Insert text or overwrite region

In an Emacs Lisp function, I would like to insert some text at point or - if the region is active - overwrite it with such text. How to do it?
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1answer
201 views

How to use flush-lines in a script?

I want to use flush-lines in a selected region, but I have troubles. Here it is my code: (defun delete-empty-lines () "Delete empty lines in bibliography." (interactive) ;; set point-min (...
1
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1answer
53 views

Cannot mark text when inserting into buffer within post-command-hook

When I add this post-command-hook: (defun insert-into-a-buffer () (with-current-buffer (get-buffer-create "some-buffer") (insert "a"))) (add-hook 'post-command-hook 'insert-into-a-buffer ...
0
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1answer
49 views

Call helm on region

I just found out about helm-surfraw by reading Tuhdo's Helm guide. For those familiar with Helm, is there a way for me to call helm-surfraw on a selected region, i.e., using the region as the input ...
6
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2answers
3k views

How to count the number of lines in the region?

Is there a command similar to count-words-region to count the total number of lines of a selected region?