Questions tagged [region]
The text between the point and mark in a buffer.
148
questions
1
vote
1answer
26 views
How can I apply ansi-color to complete buffer?
I am using following code to apply colorize text in emacs, such as for ^[ characters to apply color. In order to use this code I have to select text to apply it
reference: https://unix.stackexchange....
6
votes
3answers
583 views
How to select and delete a column of text in emacs?
I have this text
1 A
2 B
3 C
I want to remove the first column to make it
A
B
C
Ok so I need to make a rectangle. Reading about rectangles I see
"To specify a rectangle for a command to work on,...
0
votes
1answer
56 views
How to write an elisp function to insert some text at the beginning and end of a selected region? [duplicate]
More specifically, I want to do something like this:
Select some region,
<mark>
int foo(int bar)
{
bar = do_something(bar);
return bar + 1;
}
<point>
and then type a command to do ...
1
vote
0answers
18 views
Conditional Formatting foreground and background when highlighting selected text
This is a follow-up question to: Interchange Foreground and Background Colors when highlighting selected text.
How can I do some conditional formatting?
For example I do not want inverse-video if the ...
1
vote
1answer
30 views
Interchange Foreground and Background Colors when highlighting selected text
I use something like this to control the background color of my selected text:
(region ((t (:background ,green))
(t :inverse-video t)))
However some foreground colors don't go well with ...
0
votes
1answer
62 views
Elisp function to remove commas in the region
I'm learning writing Elisp functions to perform small tasks and get to a place where executing a function on the region will replace it with the value returned by the function.
Below is a short ...
1
vote
1answer
69 views
I want when "C-w" is pressed, execute delete-backward-char when no region is selected and kill-region when the region is selected
Similarly, I want to delete word backward when C-u C-w is pressed.
I would also value recommendation on cut/paste/kill conventions.
I tried to bind C-w to delete-backward-char, but kill-region stopped ...
2
votes
1answer
39 views
How to apply multiple actions to the same active region (using CUA-mode) [duplicate]
Imagine one wants to apply two functions (A and B, where A could be commenting the code with M-; and B convert the text to all-caps with C-x C-u) to the same active region. I would proceed as follows:
...
0
votes
0answers
43 views
Would it be possible to disable flycheck selected region on mark?
When I selected a region Ctrl-space up-arrow key, flycheck errors' font color are remain as it is.
Example, flycheck error makes fore-color bold orange:
Would it be possible to disable flychecks when ...
1
vote
1answer
37 views
How can I fix my re-replace-region function in which match data gets clobbered?
I have an ancient function I've been using for decades which performs a regexp replacement in a region:
(defun re-replace-region (begin end old new)
"Replace occurrences of REGEXP with TO-STRING ...
5
votes
1answer
184 views
Highlight rectangle and non-rectangle selection at the same time
By default, Emacs highlights the non-rectangular selection; alternatively, you can use (rectangle-mark-mode) to show the rectangular selection. Instead, I'd like to always show both, by highlighting ...
1
vote
0answers
31 views
Combine `flyspell-region` with`writegood-mode`
I would like to combine flyspell-region with writegood-mode, but writegood-mode does not provide a function to check a region of text.
This is what I came up with to work around the limitation:
(defun ...
1
vote
0answers
24 views
How to write functions that only operate on characters within a rectangular-region?
I've found emacs has support for rectangular selection, however I didn't see references to API's for only operating on contents within the rectangle mark.
How would this be acomplished?
Take this ...
1
vote
2answers
80 views
How to make query-replace automatically fill what I want to replace with marked text?
I want to select some text somewhere in a buffer, call query-replace and then type (or paste from kill-ring) only the second argument, TO-STRING, (and make the selected text count as FROM-STRING).
I ...
0
votes
1answer
55 views
How to write a portion of text from current file to the beginning of another file?
I have written a function that extracts a portion of text from current file and writes it in another one:
(defun foobar ()
(interactive)
;; re-search "beg" point
;; re-search "...
0
votes
1answer
96 views
How to get the real line number of a selection?
I am trying to figure out the line numbers referring to the actual selection. What I came up with is something like this
(let ((start (line-number-at-pos (region-beginning)))
(end (line-number-...
1
vote
1answer
86 views
Searching in a subtree in orgmode without narrowing
Is there a way to search in org mode in emacs in a certain subtree without narrowing or "narrowing" and "widening" the way to go?
2
votes
1answer
73 views
Any possibility to show multiple narrowed regions at the same time in a buffer?
As title self-explains, I would like to show multiple regions in different places.
narrow-to-region could be a possible solution, but as documentation indicated, only one region from begin to end ...
0
votes
0answers
87 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-...
1
vote
1answer
131 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 ...
3
votes
0answers
39 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);
...
2
votes
1answer
75 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 ...
0
votes
1answer
51 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>")
...
1
vote
1answer
27 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 ...
5
votes
1answer
493 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 ...
1
vote
3answers
243 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?
3
votes
1answer
56 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 ...
0
votes
1answer
366 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 ...
1
vote
0answers
39 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 ...
1
vote
2answers
396 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 ...
1
vote
0answers
51 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 ...
2
votes
1answer
83 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 ...
4
votes
1answer
223 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
vote
1answer
73 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 ...
1
vote
1answer
50 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 ...
1
vote
1answer
55 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-...
1
vote
1answer
167 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 ...
0
votes
1answer
279 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
vote
1answer
121 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/...
0
votes
1answer
147 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
---
...
1
vote
1answer
72 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 ...
7
votes
3answers
754 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
votes
2answers
133 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
votes
1answer
185 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
votes
1answer
70 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, ...
2
votes
2answers
57 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 ...
1
vote
2answers
123 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 ...
3
votes
1answer
297 views
(interactive "r") can't be used directly after Emacs startup
The proper way to deal with region is using (interactive "r"). But in my case, (interactive "r") always complaints:
The mark is not set now, so there is no region
after fresh ...
0
votes
2answers
475 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 ...
0
votes
1answer
36 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-...
