quick jump and mark - shell tool

my-marks.sh

export MARKPATH=$HOME/.marks
function jump {
    cd -P "$MARKPATH/$1" 2>/dev/null || echo "No such mark: $1"
}
function mark {
    mkdir -p "$MARKPATH"; ln -s "$(pwd)" "$MARKPATH/$1"
    echo "staticor is best "
}
function unmark {
    rm -i "$MARKPATH/$1"
}
function marks {
    ls -l "$MARKPATH" | sed 's/ / /g' | cut -d' ' -f9- | sed 's/ -/  -   /g' && echo
}