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Filename : lz4
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# lz4 completion                                           -*- shell-script -*-

_lz4()
{
    local cur prev words cword
    _init_completion || return

    case $prev in
        -b)
            _filedir
            return
            ;;
    esac

    if [[ "$cur" == -* ]]; then
        COMPREPLY=( $(compgen -X '-*#*' -W \
            '$(_parse_help "$1" -h) -B{4..7} -i{1..9}' -- "$cur") )
        return
    fi

    local args word xspec="*.?(t)lz4"
    _count_args
    [[ $args -gt 2 ]] && return

    for word in "${words[@]}"; do
        case $word in
            -*[dt]*)
                case $args in
                    1) xspec="!"$xspec ;;
                    2) [[ $word == *t* ]] && return
                esac
                break
                ;;
            -z)
                case $args in
                    1) xspec= ;;
                    2) xspec="!"$xspec ;;
                esac
                break
                ;;
        esac
    done

    _tilde "$cur" || return

    local IFS=$'\n'
    compopt -o filenames
    COMPREPLY=( $(compgen -f -X "$xspec" -- "$cur") $(compgen -d -- "$cur") )
} &&
complete -F _lz4 lz4 lz4c

# ex: filetype=sh