leftdetective.blogg.se

Emacs macros
Emacs macros











emacs macros emacs macros

Whenever you need to create a horizontal line, all you need to do is type C-x C-k H. Emacs recommends that keyboard macros be bound to key sequences starting with C-x C-k, and ending with one of the digits 0 through 9 or one of the uppercase letters A through Z. You can bind the macro to a key sequence. (lambda (&optional arg) "Keyboard macro." (interactive "p") (kmacro-exec-ring-item (quote ( 0 "%d")) arg))) Bind your macro to a custom key sequence

emacs macros

Here is the Emacs Lisp snippet created by your Emacs. Now that you have created a command, you can save it for future use by storing it in your. In the present case, you have created a custom command insert-horizontal-line which you can invoke with M-x insert-horizontal-line. Once you have given your macro a name, you can invoke it with M-x. Ĭongrats!!! You have created your own custom edit command You can give the macro a name, say insert-horizontal-line. This is where naming your macro, binding it to it’s own key and saving it in your. However there are occasions where you want more than one macro and you want them across sessions. So long as you don’t need a new macro, or need a macro for future sessions, replaying the last recorded macro is all you need. This is because it is now running the newly recorded macro and not the old one. Consequently, if you were to record a new macro, the same re-play command will behave differently. Note that you are re-playing the recently recorded macro, whatever that may be. Now whenever you want to create an horizontal line, just run this recorded macro. Play the following keystrokes C-u 8 0 - This inserts 80 numbers of hyphen characters in the current buffer.Īt this point, you have created a macro for inserting a horizontal line. Once you restart your Emacs, you should see the menu items for Keyboard Macros. (easy-menu-add-item menu-bar-tools-menu nil kmacro-menu "grep") As a preparatory step, we will create this menu.Ĭopy the snippet below to your. The stock Emacs doesn’t come with a menu for recording and re-playing keyboard macros. Preparatory Step: Add Macro commands to Menu You can accomplish this using Keyboard Macros. You now have a repetitive task and you want to automate this task by programming your Emacs. You love collecting the quotes, but you hate typing out all those 80 hyphen characters. Sir Arthur Conan Doyle, "A Study in Scarlet" "You have been in Afghanistan, I perceive." Q: How many Bell Labs Vice Presidents does it take to change a light bulb?Ī: That's proprietary information. Living your life is a task so difficult, it has never been attempted before. William Shakespeare, "Love's Labour's Lost" They have been at a great feast of languages, and stolen the scraps. Here is a sample of your fortune file, say fortune.txt: You are dishonest, but never to the point of hurting a friend. A simple and stupid Usecase: Insert a Horizontal Lineįor the sake of this article, let us pretend that you are in the habit of collecting memorable quotes and you separate the quotes in your file with a horizontal line.

emacs macros

Using Keyboard Macros you can build complex commands that fit your specific needs and you can do this without any iota of proficiency with the Emacs Lisp programming language. Have you ever been in a situation where you repeat the same sequence of commands over and over again.













Emacs macros