add cdpath

system/cdpath.md

@@ -0,0 +1,21 @@
+---
+title: "Instantly cd anywhere in bash"
+tags: [ "system", "bash" ]
+---
+
+Change locations quickly with the `bash` built-in variable: `$CDPATH`.
+
+```bash
+CDPATH=~
+```
+
+Now if you want to enter `~/docs/` you can type `cd docs`, even if you're not in your home directory.
+
+Add multiple locations with a colon between them.
+
+```bash
+CDPATH=~/archives/$(date +%Y/%m/):~:~/projects/:/mnt/share/
+```
+
+The first one will let you enter any directory inside '2028/01/', or whatever the current date is.
+