Questions tagged [region]

The text between the point and mark in a buffer.

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1answer
29 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
30 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
22 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
21 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
53 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 ...
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1answer
30 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
48 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
27 views

Mark isearch results

I'd like to mark regex isearch results so that they 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 copies ...
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3answers
99 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 ...
3
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2answers
55 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{...
-1
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1answer
46 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 ...
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1answer
55 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
38 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
49 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
154 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
26 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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0answers
39 views

counsel-org-tag on region

How can I use counsel-org-tag, or some similar command that uses counsel, to apply/remove tags to all headlines in the region? I would like the tags to be changed only at the highest selected ...
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1answer
62 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
68 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
120 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
63 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
89 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
35 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
votes
1answer
25 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
64 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 ...
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1answer
71 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 ...
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0answers
45 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
59 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 ...
2
votes
1answer
33 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
74 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 ...
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1answer
93 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?
0
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1answer
128 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 (...
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1answer
46 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 ...
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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 ...
3
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1answer
2k 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?
5
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1answer
182 views

Asynchronous version of shell-command-on-region?

I have a problem which is very similar to this one. I have some text that I'd like to listen to with macOS's say utility. Unfortunately, Emacs locks up when I use shell-command-on-region because it is ...
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0answers
54 views

C-S-a doesn't select text to the line beginning

The Key combination Ctrl + Shift + a doesn't work in my GUI-Emacs to select a region from the position of pointer to the line start. Doing C-h k and the above key combination shows no documentation.
5
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3answers
170 views

How to select (and highlight) non-consecutive blocks? [duplicate]

The title says it all. I'm looking for a C- or M- built-in way to select non-consecutive lines and blocks of text, like usual consecutive lines with Shift or C-SPC. I.e. I need a switch that turn ...
0
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1answer
37 views

How to find all active bindings which act on a region?

As explained https://emacs.stackexchange.com/a/733/ C-h b lists all bindings available in a buffer. Is there a way to list all bindings which act on a region? For example C-w (kill-region) is one of ...
0
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1answer
66 views

Cover the active region with a character

Called with an active region, it will replace all spaces in that region with the character corresponding to the subsequent key press. E.g., if cover-active-region is bound to C-c /, then C-c / h will ...
5
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1answer
548 views

Reversing the order of letters/characters of a selected region

How can one reverse the letters/characters in a selected region? xyz --> zyx ab cde --> edc ba
3
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3answers
948 views

Send region to shell in another buffer

Is this possible with stock emacs: I'm editing a .txt file that has a snippet of bash code When I do C-x b RET I can switch to a preopened M-x shell buffer named guesuser@...
3
votes
1answer
146 views

Move selected sentence, word left/right by equivalent unit?

More broadly, should work by the selected semantic unit (incl. paragraphs in text mode, and the relevant units in other modes). I.e., if a sentence is selected, then the notional "move-left" would ...
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0answers
64 views

Make `insert` follow `(delete-selection-mode t)`

When I call helm-copy-to-buffer (which calls insert) with active region in my current buffer, the marked helm candidate is added after the active region. But I expect the active region to be replaced ...
0
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1answer
37 views

How do I update this defun to select region

I wrote this function which takes a string and writes out self.var for each entry in the string. This helps me create python classes faster. (defun elf-python-self (str) "Parse the arguemnts in STR ...
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1answer
72 views

Region does not get deselected on move commands using `push-mark` from Elisp

By using shift-select-mode, I can select some region via holding down Shift + arrow keys. When I then stop pushing Shift and press other keys the region get deselected. But this is not the case when ...
0
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1answer
72 views

Can I programmatically get access to the yanked region?

You are likely to want to do things to the text that you just yanks / pasted (wrap it in brackets etc). Is there a way to know what you just yanked? If so I would quite like select it (put the mark ...
1
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1answer
52 views

What is the mode or the command to selectively display selected region?

There seems to be a command to display only the text in the selected region, leaving the rest of the text hidden. What is the command?
1
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1answer
670 views

How to execute a command on the selection (shell-command-on-region) in evil mode, without losing the selection?

I'd like to use shell-command-on-region on the region, in a way that keeps the selection, even in the case the length of the output changes, and works in regular emacs and in evil mode? Note, I've ...
0
votes
1answer
338 views

How to set the evil-visual-line region (selection) programmatically in Emacs Lisp using indices?

Given 2 absolute numbers (compatible with region-beginning, region-end). How can these numbers be used to set the evil-mode line visual selection? (note, I originally asked this question, but found ...