mv -> ln

mvln.sh

function mvln() {
    function __mvln() {
        local opts=$1
        local src=$2
        local dst=$3
        if [ -d $dst ]; then
            # When dst is dir, dst_file must be dir/filename
            local file=${src##*/}
            mv $opts -- $src $dst && ln -s -- ${dst}/${file} $src
        else
            mv $opts -- $src $dst && ln -s -- $dst $src
        fi
    }

    ### get options for mv
    local OPTIND o opts
    while getopts "bfv" o; do
        case "${o}" in
            [bfv])
                opts="${opts}${o}"
                ;;
            *)
                return
        esac
    done
    shift $((OPTIND-1))

    if [ "${opts}" != "" ]; then
        opts="-${opts}"
    fi

    ### mv + ln -s
    if [ $# -lt 2 ]; then
        echo "mvln: too few arguments."
        return
    elif [ $# -eq 2 ]; then
        __mvln "$opts" $1 $2
    else
        local dst_dir
        for dst_dir; do true; done  # get the last argument

        if [ ! -d $dst_dir ]; then
            mkdir -p $dst_dir || return
        fi

        for src_file in ${@:1:${#}-1}; do
            local dst_file=${dst_dir}/${src_file}
            __mvln "$opts" $src_file $dst_file
        done
    fi
}