File: //usr/share/bash-completion/completions/ifdown
# Red Hat & Debian GNU/Linux if{up,down} completion        -*- shell-script -*-
_userland GNU || return 1
_ifupdown()
{
    local cur prev words cword
    _init_completion || return
    case $prev in
        --help | --version | --allow | --exclude | --option | -!(-*)[hVXo])
            return
            ;;
        --interfaces | -!(-*)i)
            _filedir
            return
            ;;
        --state-dir)
            _filedir -d
            return
            ;;
    esac
    if [[ $cur == -* ]]; then
        COMPREPLY=($(compgen -W '$(_parse_help "$1")' -- "$cur"))
        return
    fi
    local args
    _count_args "" "@(--allow|-i|--interfaces|--state-dir|-X|--exclude|-o)"
    if ((args == 1)); then
        _configured_interfaces
        COMPREPLY=($(compgen -W '${COMPREPLY[@]}' -- "$cur"))
    fi
} &&
    complete -F _ifupdown ifup ifdown ifquery ifstatus
# ex: filetype=sh