Add Open The Directory Of The Current File as a vim til

vim/open-the-directory-of-the-current-file.md

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+# Open The Directory Of The Current File
+
+In one of my first TILs ever, [Head Of File
+Name](https://github.com/jbranchaud/til/blob/master/vim/head-of-file-name.md),
+I wrote about a fancy, archaic way of popping open a netrw view for the
+directory of the current file. To this day, I still use it all the time when
+I'm curious about the other files co-located with the file I'm editing.
+
+There are a couple other ways to do this that arguably require less finger
+gymnastics.
+
+```
+:Explore
+```
+
+This has the same behavior `:e %:h` at the cost of a few extra (easier to
+reach) keys.
+
+There is also
+
+```
+:Sex
+```
+
+which opens it up in a split. And as you'd expect, you can also use `:Vex`
+for a vertical split.
+
+[source](http://superuser.com/questions/31677/how-do-i-open-the-directory-of-the-current-open-file)