Added shortcut directories and swiftly switch to them.
# You may add this line to your ~/.profile or ~/.bashrc
% source /path/to/bash-favdir
# Add $PWD to favorites
% fadd
# List the current favorited directories
% flist
# List the current favorited directories whose name contains "github"
% flist github
# Change dir to th directory whose name contains "github", if multiple dirs match then you may be prompted all and choose one
% fcd github
# fpushd is the same as fcd except that s/cd/pushd/
% fpushd
# Delete a patther
% fdel github