{ ... }:
{
  text = ''
    # Change file ownership to specified user id and restrict access to him.
    # Root user by default. This directory recursively by default.
    # Usage: own [USER] [FILES]
    function own() {
      local IFS=$'\n'
      local files=("''${@:2}")
      local user="''${1}"
      local group="''${1}"

      # default to current dir.
      if [ "''${files[*]}" = "" ]; then
        files=(".")
      fi

      # default to current user.
      if [ "''${user}" = "" ]; then
        user="''${UID}"
      fi

      # If not root, default to users group.
      [[ "''${user}" = 0 ]] && group="0" || group="100"

      for file in "''${files[@]}"; do
        # set ownership.
        chown "''${user}":"''${group}" -R "''${file}" &> /dev/null

        # remove access from group and others.
        chmod -077 -R "''${file}"
      done
    }

    function _complete_own() {
      _autocomplete_first_ls $(_get_users)
    }

    complete -F _complete_own own
  '';
}