xf_bash_completion

_xf() {
    local cur prev opts
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    opts="--help --version init edit --use-history rm ls xfiles"

    COMPREPLY=()

    if [[ ${cur} == * ]] ; then
        COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
        return 0
    fi
}

complete -F _xf xf