_exch_module()
{
    local cur prev OPTS
    COMPREPLY=()
    cur="${COMP_WORDS[COMP_CWORD]}"
    prev="${COMP_WORDS[COMP_CWORD-1]}"
    case $prev in
	'-h'|'--help'|'-V'|'--version')
	    return 0
	    ;;
    esac
    case $cur in
	-*)
	    OPTS='
		  --help
		  --version'
	    COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
	    return 0
	;;
    esac
    local IFS=$'\n'
    compopt -o filenames
    COMPREPLY=( $(compgen -f -- $cur) )
    return 0
}
complete -F _exch_module exch
