On: Quickly navigate your filesystem from the command ...

[mynameisfiber]

I found this is a useful addition to his scripts... I can't live without my tab completion!

    _jump()
    {
        local cur=${COMP_WORDS[COMP_CWORD]}
        COMPREPLY=( $(compgen -W "$( ls $MARKPATH )" -- $cur) )
    }
    complete -F _jump jump

[sgt → mynameisfiber]

Cleaner than the other variants here that use "find".