cdb.sh

 #!/bin/bash 

# save this script in your bin directory source it.
# source cdb.sh 
# (it would be nice to do that in your bash profile as well.)
# Then you can run the cdb function in every terminal and bookmark any path you like.s

function show_bookmark {
    for f in `ls ~/.cd_bookmarks/` 
    do
        echo "$f -> "`cat ~/.cd_bookmarks/$f`
    done 
}
 

function cdb() {
    USAGE="Usage: cdb [-c|-g|-d|-l] [bookmark]\nOptions:\n -c Create\n -g Go\n -d Delete\n -l List" ;
    
    if  [ ! -e ~/.cd_bookmarks ] ; then
        mkdir ~/.cd_bookmarks
    fi



    case $1 in
        # create bookmark
        -c) shift
            if [ $# -ne 1 ] ; then
                echo "missed paremeter ";
                echo -e "$USAGE" ;
                exit 1; 
            fi 
            if [ ! -f ~/.cd_bookmarks/$1 ] ; then
                echo "cd `pwd`" > ~/.cd_bookmarks/"$1" ;
            else
                echo "Try again! Looks like there is already a bookmark '$1'"
            fi
            ;;
        # goto bookmark
        -g) shift
            if [ $# -ne 1 ] ; then
                echo "missed paremeter ";
                echo -e "$USAGE" ;
                exit 1; 
            fi 
            if [ -f ~/.cd_bookmarks/$1 ] ; then 
                source $HOME/.cd_bookmarks/$1 ;
            else
                echo "Mmm...looks like your bookmark has spontaneously combusted. What I mean to say is that your bookmark does not exist." ;
            fi
            ;;
        # delete bookmark
        -d) shift
            if [ $# -ne 1 ] ; then
                echo "missed paremeter ";
                echo -e "$USAGE" ;
                exit 1; 
            fi 
            if [ -f ~/.cd_bookmarks/$1 ] ; then 
                rm ~/.cd_bookmarks/"$1" ;
            else
                echo "Oops, forgot to specify the bookmark" ;
            fi    
            ;;
        # list bookmarks
        -l) shift
            show_bookmark ;
            ;;
         *) echo -e "$USAGE" ;
            ;;
    esac
}