Change directories really fast

cdd.bash

#!/bin/bash
#
# Change directories really really fast
#
# Author: Justin Hileman (http://justinhileman.com)
#
# Installation:
#     Add the following function to your `.bashrc` or `.bash_profile`,
#     or save it somewhere (e.g. `~/.cdd.bash`) and source it in `.bashrc`
#
# Usage:
#     `cd .....` is equivalent to `cd ../../../..`, i.e.:
#     `cd ..` plus one extra dot for each parent directory you want to jump

cdd () {
	cd "$(python -c "d='${1}'; print d if d.strip('.') else '.' + '/..' * (len(d) - 1) if d else '${HOME}'")"
}
alias 'cd'='cdd'