Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//usr/share/bash-completion/completions/getconf

 # getconf(1) completion                                    -*- shell-script -*-

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

    case $prev in
        -a)
            _filedir
            return
            ;;
        -v)
            COMPREPLY=( $( compgen -W \
                '$( "$1" -a 2>/dev/null | awk "{ print \$1 }" )' -- \
                "${cur:-POSIX_V}" ) )
            return
            ;;
    esac

    if [[ $prev == PATH_MAX ]]; then  # TODO more path vars, better handling
        _filedir
    elif [[ $cur == -* ]]; then
        COMPREPLY=( $( compgen -W '-a -v' -- "$cur" ) )
    else
        COMPREPLY=( $( compgen -W \
            '$( "$1" -a 2>/dev/null | awk "{ print \$1 }" )' -- "$cur" ) )
    fi
} &&
complete -F _getconf getconf