gistfile1.sh

# [ ~/Projects/nuklei/smoothiewizard/public/javascripts ] $ cdu 4
# [ ~/Projects ] $

function cdu { # "cd up" - move up $1 directories
  if [ -z $1 ]; then
    num=1
  else
    num=$1
  fi  
  while [ $num -gt "0" ]; do
    cd ..
    num=$(( $num - 1 ))
  done
}