#  Copyright 2021 Northern.tech AS
#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
#  This program is free software; you can redistribute it and/or modify it
#  under the terms of the GNU General Public License as published by the
#  Free Software Foundation; version 3.
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
# To the extent this program is licensed as part of the Enterprise
# versions of Cfengine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.
#+begin_src cfengine3
body common control
{
  bundlesequence => { "test" };
}

bundle agent test
{
  vars:
    "a" slist => { 1, 2, 3, "x" };
    "b" slist => { "x" };
    "mylist1" slist => { "a", "b" };
    "mylist2" slist => { "a", "b" };
    "$(mylist1)_str" string => join(",", $(mylist1));
    "int_$(mylist1)_$(mylist2)" slist => intersection($(mylist1), $(mylist2));

    "int_$(mylist1)_$(mylist2)_str"
      string => join(",", "int_$(mylist1)_$(mylist2)");

  reports:
    "The intersection of list '$($(mylist1)_str)' with '$($(mylist2)_str)' is '$(int_$(mylist1)_$(mylist2)_str)'";
}

#+end_src
###############################################################################
#+begin_src example_output
#@ ```
#@ R: The intersection of list '1,2,3,x' with '1,2,3,x' is '1,2,3,x'
#@ R: The intersection of list '1,2,3,x' with 'x' is 'x'
#@ R: The intersection of list 'x' with '1,2,3,x' is 'x'
#@ R: The intersection of list 'x' with 'x' is 'x'
#@ ```
#+end_src
