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[Emacs] Reorganize custom functions and variables, update docstrings

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Function terminal-here-default-terminal-command removed
This commit is contained in:
Lucien Cartier-Tilet 2021-03-26 14:22:42 +01:00
parent d866f0be65
commit 902b6d3f67
Signed by: phundrak
GPG Key ID: BD7789E705CB8DCA
1 changed files with 217 additions and 207 deletions
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@ -1427,84 +1427,11 @@ in Elisp code.
Almost all of my code snippets will be prefixed by either my name or the name of Almost all of my code snippets will be prefixed by either my name or the name of
the package or layer they are part of, unless they are an explicit overwrite of the package or layer they are part of, unless they are an explicit overwrite of
a function that already exists. a function that already exists.
*** Predicates
*** Nord theming variables
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User_Configuration-Custom_functions_and_variables-Some_theming_variables-9b853a99 :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Predicates-5598df46
:END: :END:
Yes, I do use a preconfigured theme, as mentioned above, but for some elements **** ~phundrak/all?~
such as Eshell, I need to define some variables for color, and I’ll do it here.
#+BEGIN_SRC emacs-lisp
(defvar phundrak/nord0 "#2e3440")
(defvar phundrak/nord1 "#3b4252")
(defvar phundrak/nord2 "#434c5e")
(defvar phundrak/nord3 "#4c566a")
(defvar phundrak/nord4 "#d8dee9")
(defvar phundrak/nord5 "#e5e9f0")
(defvar phundrak/nord6 "#eceff4")
(defvar phundrak/nord7 "#8fbcbb")
(defvar phundrak/nord8 "#88c0d0")
(defvar phundrak/nord9 "#81a1c1")
(defvar phundrak/nord10 "#5e81ac")
(defvar phundrak/nord11 "#bf616a")
(defvar phundrak/nord12 "#d08770")
(defvar phundrak/nord13 "#ebcb8b")
(defvar phundrak/nord14 "#a3be8c")
(defvar phundrak/nord15 "#b48ead")
#+END_SRC
*** ~with-face~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-with-face-7974e15f
:END:
~with-face~ is a simple yet very useful macro that allows me to easily create
strings with faces defined as properties to the string passed as the first
argument. Here is how it is implemented:
#+BEGIN_SRC emacs-lisp
(defmacro with-face ($str &rest $properties)
"Helper macro for creating strings with faces"
`(propertize ,$str 'face (list ,@$properties)))
#+END_SRC
*** ~phundrak/abbr-path~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-abbr-path-559b46e3
:END:
The following is a nice little function I use in my Eshell prompt. It shortens
the name of all the parent directories of the current one in its path, but
leaves the current one written in full. It also abbreviates the equivalent of
the ~$HOME~ (~/home/<username>/~) directory to a simple =~=.
#+BEGIN_SRC emacs-lisp
(defun phundrak/abbr-path ($path &optional $abbreviate)
"Abbreviate `$path'. If `$abbreviate' is `t', then all parent
directories of the current directory will be abbreviated to one
letter only. If a parent directory is a hidden directory (i.e.
preceeded by a dot), the directory will be abbreviated to the dot
plus the first letter of the name of the directory (e.g.
\".config\" -> \".c\").
For public use of the function, `$path' should be a string
representing a UNIX path. For internal use, `$path' can also be a
list. If `$path' is neither of those, an error will be thrown by
the function."
(cond
((stringp $path) (f-short
(if $abbreviate
(phundrak/abbr-path (f-split (phundrak/abbr-path $path)))
$path)))
((null $path) "")
((listp $path)
(f-join (cond ((= 1 (length $path)) (car $path))
(t (let* ((dir (car $path))
(first-char (s-left 1 dir)))
(if (string= "." first-char)
(s-left 2 dir)
first-char))))
(phundrak/abbr-path (cdr $path))))
(t (error "Invalid argument %s, neither stringp nor listp" $path))))
#+END_SRC
*** ~phundrak/all?~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-all-0655600c :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-all-0655600c
:END: :END:
@ -1524,31 +1451,29 @@ success, otherwise it is a failure. Note that empty lists will always return
t)) t))
#+END_SRC #+END_SRC
*** ~phundrak/blog-publish~ **** ~phundrak/none?~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-blog-publish-99c96b2d :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-none-463dee26
:END: :END:
This function is quite a simple function made to automatically publish [[https://blog.phundrak.com][my blog]] In the same vein as ~phundrak/all?~, ~phundrak/none?~ checks if all elements of
based on Hugo. After exporting my blog using ~ox-hugo~, I simply have to call ~seq~ do not satify the predicate ~fn~. Again, if the list is empty, it will
this function which will look for all files located in =~/org/blog/public= and return ~t~.
copy them to my remote server once ~hugo~ has been executed in =~/org/blog=.
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defun phundrak/blog-publish () (defun phundrak/none? (fn seq)
(interactive) "Check if all members of `SEQ' do not satisfy predicate `FN'.
(let* ((blog-path "~/org/blog") Note that it will return t if `SEQ' is nil."
(public-path (concat blog-path "/public")) (declare (pure t) (side-effect-free t))
(target-path "/rsync:Tilo:/home/phundrak/www/phundrak.com/blog")) (if seq
(shell-command (format "cd %s && hugo" blog-path)) (and (not (funcall fn (car seq)))
(let ((files (mapcar (lambda (file) (phundrak/none? fn (cdr seq)))
(f-relative file public-path)) t))
(f-files (format "%s/public" blog-path) nil t))))
(dolist (file files)
(copy-file (concat public-path "/" file)
(concat target-path "/" file)
t nil t)))))
#+END_SRC #+END_SRC
*** ~phundrak/eshell-git-status~ *** Eshell prompt-related functions
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Eshell-prompt-related-functions-79d07f21
:END:
**** ~phundrak/eshell-git-status~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-eshell-git-status-28f16e94 :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-eshell-git-status-28f16e94
:END: :END:
@ -1560,11 +1485,13 @@ git prompt that will be inserted in my Eshell prompt. And just for shit and
giggles, I’ve made it so it is a powerline prompt. giggles, I’ve made it so it is a powerline prompt.
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defun phundrak/eshell-git-status ($path &optional $background-color) (defun phundrak/eshell-git-status ($path &optional $background-color)
"Returns a string indicating the status of the current "Returns a string indicating the status of the repository located
repository if it exists. It should also append the name of the in `$PATH' if it exists. It should also append the name of the
current branch if it is not `master' or `main'. The theme is current branch if it is not `master' or `main'.
inspired by the bobthefish theme for the fish shell which you can `$BACKGROUND-COLOR' allows to choose the color that will be
find here: https://github.com/oh-my-fish/theme-bobthefish visible behind the powerline characters. The theme is inspired by
the bobthefish theme for the fish shell which you can find here:
https://github.com/oh-my-fish/theme-bobthefish
Color code: Color code:
- green: - green:
@ -1622,19 +1549,94 @@ giggles, I’ve made it so it is a powerline prompt.
:foreground accent))))) :foreground accent)))))
#+END_SRC #+END_SRC
*** ~phundrak/file-to-string~ **** ~phundrak/git-repo-root~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-git-repo-root-f7cf3bb9
:END:
This function detects if the path passed as an argument points to a git
directory or to one of its subdirectories. If it is, it will return the path to
the root of the git repository, else it will return ~nil~.
#+BEGIN_SRC emacs-lisp
(defun phundrak/git-repo-root ($path)
"Return `$PATH' if it points to a git repository or one of its
subdirectories."
(when $path
(if (f-dir? (concat $path "/.git"))
$path
(phundrak/git-repo-root (f-parent $path)))))
#+END_SRC
**** ~phundrak/prompt-toggle-abbreviation~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-prompt-toggle-abbreviation-753ca549
:END:
#+BEGIN_SRC emacs-lisp
(defvar phundrak/prompt--abbreviate t
"Whether or not to abbreviate the displayed path in the Eshell
prompt.")
(defun phundrak/prompt-toggle-abbreviation ()
"Toggles whether the Eshell prompt should shorten the name of
the parent directories or not. See `phundrak/eshell-prompt'."
(interactive)
(setq phundrak/prompt--abbreviate (not phundrak/prompt--abbreviate)))
#+END_SRC
**** ~phundrak/abbr-path~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-abbr-path-559b46e3
:END:
The following is a nice little function I use in my Eshell prompt. It shortens
the name of all the parent directories of the current one in its path, but
leaves the current one written in full. It also abbreviates the equivalent of
the ~$HOME~ (~/home/<username>/~) directory to a simple =~=.
#+BEGIN_SRC emacs-lisp
(defun phundrak/abbr-path ($path &optional $abbreviate)
"Abbreviate `$PATH'. If `$ABBREVIATE' is t, then all parent
directories of the current directory will be abbreviated to one
letter only. If a parent directory is a hidden directory (i.e.
preceeded by a dot), the directory will be abbreviated to the dot
plus the first letter of the name of the directory (e.g.
\".config\" -> \".c\").
For public use of the function, `$PATH' should be a string
representing a UNIX path. For internal use, `$PATH' can also be a
list. If `$PATH' is neither of those, an error will be thrown by
the function."
(cond
((stringp $path) (f-short
(if $abbreviate
(phundrak/abbr-path (f-split (phundrak/abbr-path $path)))
$path)))
((null $path) "")
((listp $path)
(f-join (cond ((= 1 (length $path)) (car $path))
(t (let* ((dir (car $path))
(first-char (s-left 1 dir)))
(if (string= "." first-char)
(s-left 2 dir)
first-char))))
(phundrak/abbr-path (cdr $path))))
(t (error "Invalid argument %s, neither stringp nor listp" $path))))
#+END_SRC
*** Files-related functions
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Files-related-functions-0b66f353
:END:
**** ~phundrak/file-to-string~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-file-to-string-efab0fba :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-file-to-string-efab0fba
:END: :END:
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defun phundrak/file-to-string (FILE) (defun phundrak/file-to-string (FILE)
"Returns the content of `FILE' as a string" "Returns the content of `FILE' as a string."
(with-temp-buffer (with-temp-buffer
(insert-file-contents FILE) (insert-file-contents FILE)
(buffer-string))) (buffer-string)))
#+END_SRC #+END_SRC
*** ~phundrak/find-org-files~ **** ~phundrak/find-org-files~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: Custom-functions-phundrak-find-org-files-a8fd200f :CUSTOM_ID: Custom-functions-phundrak-find-org-files-a8fd200f
:END: :END:
@ -1646,8 +1648,11 @@ conlanging files which are located in =~/Documents/conlanging=, and all my
university notes are in =~/Documents/university=. Let’s declare these university notes are in =~/Documents/university=. Let’s declare these
directories in a variable: directories in a variable:
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defvar phundrak/org-directories '("~/org" "~/Documents/university/S8" "~/Documents/conlanging") (defvar phundrak/org-directories '("~/org"
"Directories in which to look for org files with the function `phundrak/find-org-files'") "~/Documents/university/S8"
"~/Documents/conlanging")
"Directories in which to look for org files with the function
`phundrak/find-org-files'.")
#+END_SRC #+END_SRC
With this established, let’s write some emacs-lisp that will allow me to get a With this established, let’s write some emacs-lisp that will allow me to get a
@ -1671,58 +1676,7 @@ as [[https://github.com/sharkdp/fd][fd]].
"\n"))))) "\n")))))
#+END_SRC #+END_SRC
*** ~phundrak/git-repo-root~ **** ~phundrak/open-marked-files~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-git-repo-root-f7cf3bb9
:END:
This function detects if the path passed as an argument points to a git
directory or to one of its subdirectories. If it is, it will return the path to
the root of the git repository, else it will return ~nil~.
#+BEGIN_SRC emacs-lisp
(defun phundrak/git-repo-root ($path)
"Return `$path' if it points to a git repository or one of its
subdirectories"
(when $path
(if (f-dir? (concat $path "/.git"))
$path
(phundrak/git-repo-root (f-parent $path)))))
#+END_SRC
*** ~phundrak/none?~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-none-463dee26
:END:
In the same vein as ~phundrak/all?~, ~phundrak/none?~ checks if all elements of
~seq~ do not satify the predicate ~fn~. Again, if the list is empty, it will
return ~t~.
#+BEGIN_SRC emacs-lisp
(defun phundrak/none? (fn seq)
"Check if all members of `SEQ' do not satisfy predicate `FN'.
Note that it will return t if `SEQ' is nil."
(declare (pure t) (side-effect-free t))
(if seq
(and (not (funcall fn (car seq)))
(phundrak/none? fn (cdr seq)))
t))
#+END_SRC
*** ~phundrak/prompt-toggle-abbreviation~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-prompt-toggle-abbreviation-753ca549
:END:
#+BEGIN_SRC emacs-lisp
(defvar phundrak/prompt--abbreviate t
"Whether or not to abbreviate the displayed path in the Eshell
prompt")
(defun phundrak/prompt-toggle-abbreviation ()
"Toggles whether the Eshell prompt should shorten the name of
the parent directories or not. See `phundrak/eshell-prompt'"
(interactive)
(setq phundrak/prompt--abbreviate (not phundrak/prompt--abbreviate)))
#+END_SRC
*** ~phundrak/open-marked-files~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-open-marked-files-b87d37f7 :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-open-marked-files-b87d37f7
:END: :END:
@ -1731,6 +1685,8 @@ multiple files. This function will basically look for all marked files in the
current dired buffer and open each one of them in their individual buffer. current dired buffer and open each one of them in their individual buffer.
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defun phundrak/open-marked-files () (defun phundrak/open-marked-files ()
"This function allows the user to open all marked files in a
Dired buffer at once."
(interactive) (interactive)
(let ((file-list (if (string= major-mode "dired-mode") (let ((file-list (if (string= major-mode "dired-mode")
(dired-get-marked-files) (dired-get-marked-files)
@ -1740,6 +1696,105 @@ current dired buffer and open each one of them in their individual buffer.
file-list))) file-list)))
#+END_SRC #+END_SRC
**** ~xah/open-in-external-app~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-open-in-external-app-2655f31c
:END:
Here is another of Xah’s functions, this time to open a file externally to
Emacs. For instance, I sometimes want to open a PDF in Zathura rather than in
Emacs, or an HTML file in Firefox. With this function, it is now possible!
#+BEGIN_SRC emacs-lisp
(defun xah/open-in-external-app (&optional files)
"Open the current file or dired marked files in external app.
The app is chosen from your OS’ preference.
When called in emacs lisp, if `FILES' is given, open that.
URL `http://ergoemacs.org/emacs/emacs_dired_open_file_in_ext_apps.html'
Version 2019-01-18"
(interactive)
(let* (($file-list (if files
(progn (list files))
(if (string-equal major-mode "dired-mode")
(dired-get-marked-files)
(list (buffer-file-name)))))
($do-it-p (if (<= (length $file-list) 5)
t
(y-or-n-p "Open more than 5 files? "))))
(when $do-it-p
(mapc (lambda ($fpath)
(let ((process-connection-type nil))
(start-process "" nil "xdg-open" $fpath)))
$file-list))))
#+END_SRC
*** Theming
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-Theming-7ad4dc46
:END:
**** Nord theming variables
:PROPERTIES:
:CUSTOM_ID: User_Configuration-Custom_functions_and_variables-Some_theming_variables-9b853a99
:END:
Yes, I do use a preconfigured theme, as mentioned above, but for some elements
such as Eshell, I need to define some variables for color, and I’ll do it here.
#+BEGIN_SRC emacs-lisp
(defvar phundrak/nord0 "#2e3440")
(defvar phundrak/nord1 "#3b4252")
(defvar phundrak/nord2 "#434c5e")
(defvar phundrak/nord3 "#4c566a")
(defvar phundrak/nord4 "#d8dee9")
(defvar phundrak/nord5 "#e5e9f0")
(defvar phundrak/nord6 "#eceff4")
(defvar phundrak/nord7 "#8fbcbb")
(defvar phundrak/nord8 "#88c0d0")
(defvar phundrak/nord9 "#81a1c1")
(defvar phundrak/nord10 "#5e81ac")
(defvar phundrak/nord11 "#bf616a")
(defvar phundrak/nord12 "#d08770")
(defvar phundrak/nord13 "#ebcb8b")
(defvar phundrak/nord14 "#a3be8c")
(defvar phundrak/nord15 "#b48ead")
#+END_SRC
**** ~with-face~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-with-face-7974e15f
:END:
~with-face~ is a simple yet very useful macro that allows me to easily create
strings with faces defined as properties to the string passed as the first
argument. Here is how it is implemented:
#+BEGIN_SRC emacs-lisp
(defmacro with-face ($str &rest $properties)
"Helper macro for creating strings `$STR' with `$PROPERTIES'"
`(propertize ,$str 'face (list ,@$properties)))
#+END_SRC
*** ~phundrak/blog-publish~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-blog-publish-99c96b2d
:END:
This function is quite a simple function made to automatically publish [[https://blog.phundrak.com][my blog]]
based on Hugo. After exporting my blog using ~ox-hugo~, I simply have to call
this function which will look for all files located in =~/org/blog/public= and
copy them to my remote server once ~hugo~ has been executed in =~/org/blog=.
#+BEGIN_SRC emacs-lisp
(defun phundrak/blog-publish ()
"Publish my blog through Hugo and rsync to my remote server."
(interactive)
(let* ((blog-path "~/org/blog")
(public-path (concat blog-path "/public"))
(target-path "/rsync:Tilo:/home/phundrak/www/phundrak.com/blog"))
(shell-command (format "cd %s && hugo" blog-path))
(let ((files (mapcar (lambda (file)
(f-relative file public-path))
(f-files (format "%s/public" blog-path) nil t))))
(dolist (file files)
(copy-file (concat public-path "/" file)
(concat target-path "/" file)
t nil t)))))
#+END_SRC
*** ~phundrak/var-or-if-nil~ *** ~phundrak/var-or-if-nil~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-var-or-if-nil-40e2e54a :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-phundrak-var-or-if-nil-40e2e54a
@ -1748,8 +1803,8 @@ This simple function helps me return either the value ~var~ holds, or if it is
~nil~ it will return the value ~value~ holds (or will return). ~nil~ it will return the value ~value~ holds (or will return).
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defun phundrak/var-or-if-nil ($var $value) (defun phundrak/var-or-if-nil ($var $value)
"Return the result yield by `$value' if `$var' is `nil', return "Return the result yield by `$VALUE' if `$VAR' is nil, return
`$var' otherwise" `$VAR' otherwise"
(if (null $var) (if (null $var)
$value $value
$var)) $var))
@ -1766,7 +1821,8 @@ new parameters in the ~new~ function. It also comes with a helper function that
parses the arguments given to the ~new~ function. parses the arguments given to the ~new~ function.
#+BEGIN_SRC emacs-lisp #+BEGIN_SRC emacs-lisp
(defun phundrak//yas-snippet-split-rust-args ($arg-string) (defun phundrak//yas-snippet-split-rust-args ($arg-string)
"Split a Rust argument string into ((name, default)...) tuples" "Split a Rust argument string `$ARG-STRING' into ((name,
default)...) tuples"
(mapcar (lambda ($elem) (mapcar (lambda ($elem)
(split-string $elem "[[:blank:]]*:[[:blank:]]*" t)) (split-string $elem "[[:blank:]]*:[[:blank:]]*" t))
(split-string $arg-string "[[:blank:]]*,[[:blank:]]*" t))) (split-string $arg-string "[[:blank:]]*,[[:blank:]]*" t)))
@ -1806,20 +1862,6 @@ Cairo. The function definition was taken [[https://github.com/caiohcs/my-emacs#s
(message filename))) (message filename)))
#+END_SRC #+END_SRC
*** ~terminal-here-default-terminal-command~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-terminal-here-default-terminal-command-9baa3715
:END:
This function is actually an overwrite of the default one which apparently does
not work on my machine. This function is called by ~terminal-here-launch~ and
spawns an external terminal emulator in the directory emacs was in when the
terminal was invoked. I simply point out to this function the name of my
terminal emulator. Here is the code:
#+BEGIN_SRC emacs-lisp
(defun terminal-here-default-terminal-command (_dir)
'("st"))
#+END_SRC
*** ~xah/dired-sort~ *** ~xah/dired-sort~
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-dired-sort-28bde838 :CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-dired-sort-28bde838
@ -1847,38 +1889,6 @@ files in a dired buffer depending on four factors:
(dired-sort-other $arg ))) (dired-sort-other $arg )))
#+END_SRC #+END_SRC
*** ~xah/open-in-external-app~
:PROPERTIES:
:CUSTOM_ID: User-Configuration-Custom-functions-macros-and-variables-xah-open-in-external-app-2655f31c
:END:
Here is another of Xah’s functions, this time to open a file externally to
Emacs. For instance, I sometimes want to open a PDF in Zathura rather than in
Emacs, or an HTML file in Firefox. With this function, it is now possible!
#+BEGIN_SRC emacs-lisp
(defun xah/open-in-external-app (&optional files)
"Open the current file or dired marked file in external app.
The app is chosen from your OS’ preference.
When called in emacs lisp, if files is given, open that.
URL `http://ergoemacs.org/emacs/emacs_dired_open_file_in_ext_apps.html'
Version 2019-01-18"
(interactive)
(let* (($file-list (if files
(progn (list files))
(if (string-equal major-mode "dired-mode")
(dired-get-marked-files)
(list (buffer-file-name)))))
($do-it-p (if (<= (length $file-list) 5)
t
(y-or-n-p "Open more than 5 files? "))))
(when $do-it-p
(mapc (lambda ($fpath)
(let ((process-connection-type nil))
(start-process "" nil "xdg-open" $fpath)))
$file-list))))
#+END_SRC
** Emacs builtins ** Emacs builtins
:PROPERTIES: :PROPERTIES:
:CUSTOM_ID: User_Configuration-Emacs_builtins-7822b8dd :CUSTOM_ID: User_Configuration-Emacs_builtins-7822b8dd