Bookmarking system for zsh

.zshrc

# put all _* files into ~/.zsh/completion/

j() {
    mkdir -p ~/dotfiles/shell_bookmarks

    if [ ! "$1" ]
    then
        echo "give me an alias as argument"
        return
    fi

    if [ -e ~/dotfiles/shell_bookmarks/"$1" ]
    then
        cd $(cat ~/dotfiles/shell_bookmarks/$1)
    else
        echo "not bookmark for alias $1"
    fi
}

lb() {
    mkdir -p ~/dotfiles/shell_bookmarks

    ls ~/dotfiles/shell_bookmarks
}

b() {
    mkdir -p ~/dotfiles/shell_bookmarks

    if [ ! "$1" ]
    then
        echo $(pwd) > ~/dotfiles/shell_bookmarks/$(pwd | sed 's#.*/##')
    else
        echo $(pwd) > ~/dotfiles/shell_bookmarks/$1
    fi
}

r() {
    mkdir -p ~/dotfiles/shell_bookmarks

    if [ ! "$1" ]
    then
        echo "give me an alias as argument"
        return
    fi

    if [ -e "~/dotfiles/shell_bookmarks/$1" ]
    then
        rm -f ~/dotfiles/shell_bookmarks/$1
    else
        echo "not bookmark for alias $1"
    fi
}

_b

# compdef b

_arguments "1: :($(pwd | sed 's#.*/##'))"

_j

#compdef j

_arguments "1: :($(ls ~/dotfiles/shell_bookmarks/))"

_r

#compdef r

_arguments "1: :($(ls ~/dotfiles/shell_bookmarks/))"