Questions tagged [interactive]
`interactive` spec of an Emacs-Lisp command (function invocable using `M-x` or a key binding)
129
questions
0
votes
1
answer
14
views
Getting prefix as argument
With this function, I get the error
test: Wrong type argument: stringp, 2
Is it good to pass prefix this way? Thought that the argument prefix would be filled up with the prefix value.
(defun test (...
- 135
1
vote
1
answer
72
views
Function arguments and interactive
I am having difficulty seeing how to properly use function arguments with the interactive command.
Suppose I have a function with three arguments myfunc (arg1 &optional arg2 arg3), the last two ...
- 135
-1
votes
0
answers
29
views
Interactive selection of major mode
With the following function I can make a new buffer. I also want the user to be able to set the major-mode for it.
I could use completing-read in this way
(cseq '("sh-mode" "emacs-lisp-...
- 135
0
votes
1
answer
26
views
Using function both as interactive command and in elisp code
I am trying to understand the use of the interactive and the intern commands so I can use a function both within an interactive context and an elisp context.
Require some explanation of how intern is ...
- 135
3
votes
1
answer
62
views
interactive function: Meaning of Does not do I/O
I'm going through the documentation for the interactive function and there are some code letters which are documented like this:
d -- Value of point as number. Does not do I/O.
P -- Prefix arg in raw ...
- 3,403
2
votes
2
answers
186
views
Can there be two prefix arguments?
I am very confused by the definitions of define-skeleton and skeleton-proxy-new in skeleton.el in the emacs source (version 28.1).
The command generated by the define-skeleton macro has the ...
- 314
1
vote
1
answer
27
views
How to preselect initial text in the minibuffer with Elisp?
I'm using read-string to read a string from the minibuffer, with an initial input. How can I highlight the initial input, so that I can start replacing it with one key stroke? IOW, given (read-string &...
- 1,414
1
vote
1
answer
30
views
project.el: override project-find-regexp with use-package to show live results like project-find-file (preferably with consult)?
When switching projects, there's a few commands available off the bat that can be selected from the mini-buffer after selecting a project.
[f] Find file [g] Find regexp [d] Find directory ...
Both ...
- 185
0
votes
1
answer
29
views
Pass default value to org-set-property
The documentation says:
(org-set-property PROPERTY VALUE)
When called interactively, this will prompt for a property name, offering
completion on existing and default properties. And then it will ...
- 224
1
vote
1
answer
35
views
What makes an elisp function available with M-x [duplicate]
Why some functions in simple.el are invokable with M-x and some others aren't?
For example I can do M-x what-line but I can't do M-x line-number-at-pos.
- 27
1
vote
1
answer
58
views
Interactive option for function with optional arguments
Am unsure whether making brcmk-end optional is possible for interactive use. If one can have optional arguments, what would be the changed necessary? Would the interactive expression change?
(...
- 159
1
vote
1
answer
28
views
Displaying character input with interactive declaration
I have the following code for reading two characters, using the interactive declaration. When I run the interactive function the input character is not being shown after the description string.
(...
- 159
0
votes
1
answer
33
views
Command that accepts a string and a selected region
Would like to have a function that selects a string (from a list or from a user-defined string, using the mini-buffer) and a selected region.
User would input (), [], {} specifying the opening and ...
- 159
1
vote
1
answer
28
views
How to use `projectile-multi-occur` to find a symbol at point?
I am trying to make projectile-multi-occur to work with the symbol at point.
I have done that for occur already, this works:
(defun occur-symbol-at-point ()
(interactive)
(let ((sym (thing-at-...
- 387
1
vote
2
answers
77
views
Using defadvice to add an interactive argument to a non-interactive function?
Is there a way to wrap a non-interactive function within defadvice so that the new function can accept an interactive argument which can alter the way that the wrapped function gets called?
In other ...
- 522
2
votes
2
answers
50
views
How to avoid the prompt in `revert-buffer` [duplicate]
I'm trying to get rid of the annoying prompt at the end of revert-buffer. This prompt would make sense in a lesser text editor where reverting the buffer is an irreversible action (pardon the pun). ...
- 142
3
votes
1
answer
31
views
command print no results with (interactive "r")
Consider this test function (tested in emacs -q):
(defun foo (start end)
"for testing purposes"
(interactive "r")
(when (region-active-p)
(cons start end)))
...
- 1,710
1
vote
1
answer
83
views
How to pass a string argument to a function from global-set-key definition inside .emacs
Inside my .emacs file I have these two functions:
(defun bh/switch-to-vs ()
(interactive)
(universal-argument)
(shell "*vs*"))
(defun bh/switch-to-android ()
(interactive)
(...
- 113
0
votes
2
answers
35
views
Pass arguments captured from minibuffer to shell command in a function
I'm struggling with passing arguments read from the minibuffer to a shell command in a elisp function.
I've written the following so far:
(defun perlclean (review clean)
"Script PERL blablabla&...
- 179
1
vote
1
answer
432
views
Call an interactive function and pass argument to it in elisp without user input
I am new to elisp and am trying to write an Elisp function that calls org-pandoc-export-to-html5-pdf-and-open.
org-pandoc-export-to-html5-pdf-and-open is an interactive function that will write to a ...
- 341
0
votes
0
answers
94
views
Read multiples arguments for interactive function without sequential read functions
I have an interactive function taking 2 arguments. I can read them with
(defun example-fct (arg1 arg2)
"This function take two arguments"
(interactive
(let ((arg1 (read-string "...
- 153
0
votes
1
answer
33
views
How to prompt for function use be used within a function?
Consider the following example function
(defun simple-function ()
(dotimes (counter 10)
(input-function)))
This requires input-function to be hard coded within the definition of simple-...
- 288
1
vote
1
answer
28
views
Is there an easy way to use thing-at-point to initialize interactive read string (interactive "sfoo:")
Is there an easy way to use thing-at-point to initialize the contents of an interactive string reading?
I have a function the looks something like this:
(defun foo (string)
(interactive "...
- 299
6
votes
1
answer
166
views
Default argument for interactive function?
Using
(interactive "sPROMPT: ")
one can set a prompt for, e.g., a string function.
Question: Is it possible to also supplement a default argument to the function? Say
(interactive "...
- 807
0
votes
2
answers
231
views
copy string at point func
I'm trying to build a simple proc that copies the text on which the point is set and returns the point to where it was, but can't make it work properly.
Before you say "thing-at-point" - I ...
- 143
0
votes
1
answer
62
views
How to modify interactive function `occur` to a non-interactive function
occur is an interactive compiled Lisp function in ‘replace.el’.
The definition is as follows:
(defun occur (regexp &optional nlines region)
(interactive
(nconc (occur-read-primary-args)
...
- 121
1
vote
0
answers
13
views
How to write an interactive function which repeats when the last key in the keybinding is repeatedly pressed? [duplicate]
I want to repeat a function when the last key in the key binding is repeatedly pressed.
For example, say the keybinding is C-n for next-line, what I want to happen is that next-line is repeated when I ...
- 509
1
vote
1
answer
107
views
How do I make C-x b (switch-to-buffer) ignore some buffers?
I want C-x b (i.e. switch-to-buffer) to ignore some buffers. For example, I want to ignore *Ibuffer*. In other words, when I press C-x b, I should not see Switch to buffer (default *Ibuffer*): . *...
- 553
1
vote
0
answers
80
views
How to override a value inside a function temporarily?
There is this function in tide:
;; Defined in ~/.emacs.d/.local/straight/repos/tide/tide.el
(defun tide-rename-file ()
"Rename current file and all it's references in other files."
(...
- 141
1
vote
1
answer
54
views
How to script a bookmark-jump call
I am trying to write a function which will perform a bookmark-jump but then reset the the bookmark line to the top of the screen. So far I have:
(defun foo ()
(interactive)
(bookmark-jump)
...
- 245
4
votes
1
answer
125
views
Combine two interactive functions
For example, I want to sort a file, then remove the duplicate lines. I run M-x sort followed by M-x delete-duplicate-lines. I wanted to combine them into a single interactive function. Here is an ...
- 227
0
votes
1
answer
287
views
Break key as a shortcut -- what am I doing wrong?
I would like to define a keyboard shortcut in my .emacs file so that the Break (a.k.a. Pause) key does a C-x C-s C-x C-c. As a warmup, I thought I would try something simpler, so as a test I did this, ...
user5457
0
votes
1
answer
161
views
Switch to *scratch* buffer (global-set-key)
I am reading the Intro to Lisp Programing and got to the chapter where switch-to-buffer is introduced.
I tried to bind (switch-to-buffer "*scratch*") via global-set-key
But this does not ...
1
vote
1
answer
56
views
How to disable "/" 's default behavior on the F interactive mode?
I use interactive mode with Ivy and Dired for interactively creating new files, like so:
(evil-local-set-key 'normal (kbd "t") (lambda (file)
(...
- 113
0
votes
1
answer
349
views
How to call an interactive function and pass arguments to it from within Elisp?
I'm trying to compose a link to the describe-package help buffer to the xref package like this:
[[(elisp:(describe-package "xref"))][xref]]
But it can't execute. So I wonder how to pass ...
- 349
0
votes
1
answer
67
views
Asterisk in interactive specification
Just when is it appropriate to put the asterisk * into the interactive spec of a command function? The elisp manual says the effect is to cause an error if the command is attempted in a read only ...
- 314
1
vote
1
answer
176
views
How to access variables/lists by the strings of their names, prompted interactively
I have a question about how to use interactive to allow the user to identify a desired list element to output.
Let's say I have a variable x assigned to a list structured like this:
(setq x '((y ("...
1
vote
1
answer
47
views
unread-command-events and batch mode
I'm writing tests for an interactive function. I've been using the unread-command-events variable in conjunction with call-interactively to verify that it does the right thing.
However, I just ...
- 5,775
0
votes
1
answer
46
views
Trying to use `pdfgrep` program from within my command
I want to be asked what string %s I want [0] pdfgrep to search for? While M-x pdfgrep mysearchString works, I'm somehow missing something on wrapping it up as sole function?
(require 'pdfgrep)
(...
- 617
1
vote
1
answer
32
views
rgrep: string-match("<C>", nil) error
I found a weird behaviour with rgrep. The following is tested under emacs 26.3 with emacs -Q.
Evaluate (rgrep "test" "*.org" "~/Org/wiki") gives me a string-match("<C>" nil) error:
Debugger ...
- 1,105
1
vote
1
answer
330
views
How to call xref-find-definitions without being prompted?
Is it possible to call xref-find-definitions to find the definition at the current point without being prompted to select the default?
I'd like to bind this to a key, so it immediately jumps to a ...
- 7,199
1
vote
2
answers
85
views
Prompt for user input flexibly with interactive
I have a function that uses smartparens to replace specified pairs of parentheses.
(defun replace-paren-at-point (paren)
(interactive "sReplace with: ")
(if (looking-at "[「『《〈（〔【]")
(progn
...
- 645
0
votes
2
answers
163
views
How do I define a function to execute as a command with M-x? [duplicate]
I wish to M-x my-func and let my code run. This seems basic but where can I get more documentation about this, if possible inside emacs itself?
- 15
0
votes
1
answer
61
views
Accessing regular expression groups outside a buffer
The code from here accesses groups of a regular expression match in a buffer in interactive mode:
(let ((re (concat "\\([ \t]*" org-clock-string " *\\)"
"\\([[<][^]>]+[]&...
- 1,499
2
votes
1
answer
233
views
Can "advice-add ... :filter-args" detect if the advised function was called interactively?
Using advice-add from nadvice.el, I am trying to add a :filter-args advice to an interactive function. Is it somehow possible for it to detect, whether the advised function has been called ...
- 1,481
0
votes
0
answers
131
views
Defining function that takes funciton as argument results in "Wrong type argument: commandp, (bm-my bm-next)"
When using the below and invoking the function via <leader>Bn I get an error of command-execute: Wrong type argument: commandp, (bm-my bm-next)
(defun bm-my (a)
(interactive)
(a)
(bm-show-...
0
votes
1
answer
410
views
how to bind custom commands to keys in existing mode map?
I wrote some extra commands for Python mode: python-insert-quote and python-insert-double-quote. I want to have these commands be available in the minibuffer when python-mode is active. How can I add ...
- 163
0
votes
1
answer
120
views
Assign buffer-name to variable
I'd like to write Elisp code that compares text character by character between two buffers.
To do that, I need to first assign buffer names to the variables source-buffer and target-buffer ...
- 645
1
vote
1
answer
162
views
Use write-region in read-only buffer
I am writing a custom function which is supposed to write selected text to some arbitrary file on the system. It does something like
(defun write-region-to-file (&optional arg)
(interactive "*...
- 124
0
votes
0
answers
59
views
defun to replace regex pattern with original pattern plus new line
I have written the following lisp code to search for a regex pattern and append new line to it:
(defun readmode ()
(interactive)
(goto-char 1)
(while (search-forward-regex "\(</[a-z]+>\)" ...
