Add List autocmds Configured For The Current Buffer as Vim TIL

README.md

@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://crafty-builder-6996.ck.page/e169c61186).
 
-_1265 TILs and counting..._
+_1266 TILs and counting..._
 
 ---
 
@@ -1369,6 +1369,7 @@ _1265 TILs and counting..._
 - [Jump To Matching Pair](vim/jump-to-matching-pair.md)
 - [Jump To The Next Misspelling](vim/jump-to-the-next-misspelling.md)
 - [List All Buffers](vim/list-all-buffers.md)
+- [List autocmds Configured For The Current Buffer](vim/list-autocmds-configured-for-the-current-buffer.md)
 - [List Of Plugins](vim/list-of-plugins.md)
 - [Load A Directory Of Files Into The Buffer List](vim/load-a-directory-of-files-into-the-buffer-list.md)
 - [Make Directories For The Current File](vim/make-directories-for-the-current-file.md)

vim/list-autocmds-configured-for-the-current-buffer.md

@@ -0,0 +1,34 @@
+# List autocmds Configured For The Current Buffer
+
+Vim itself and many of the plugins you use will configure `autocmd` triggers.
+This are commands that get executed when a certain editor event takes place in
+certain types of files.
+
+A common example is having a tool like `prettier` configured to format the
+contents of JavaScript files when the `BufWritePost` event happens, that is,
+right after the buffer gets written.
+
+You can list each `autocmd` that is configured for your current buffer using
+`:au` and a couple arguments.
+
+```
+:au * <buffer>
+```
+
+The `*` says match against all events. The `<buffer>` filters them down to just
+what is configured for the current buffer.
+
+If you just wanted to know about `BufWritePost` events for the current buffer,
+try this.
+
+```
+:au BufWritePost <buffer>
+```
+
+Or if you want to know about buffer number `4`:
+
+```
+:au BufWritePost <buffer=4>
+```
+
+See `:h :au` for more details.