open new shells in the most recently visited directory

gistfile1.sh

# Bash snippet to open new shells in most recently visited dir.
# Useful if you want to open a new terminal tab at the present 
# tab's location.
#
# Put this in your .bashrc or whatever.

pathed_cd () {
    if [ "$1" == "" ]; then
        cd
    else
        cd "$1"
    fi
    pwd > ~/.cdpath
}
alias cd="pathed_cd"

if [ -f ~/.cdpath ]; then
  cd $(cat ~/.cdpath)
fi