1#  Copyright 2020 Northern.tech AS
2
3#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
4
5#  This program is free software; you can redistribute it and/or modify it
6#  under the terms of the GNU General Public License as published by the
7#  Free Software Foundation; version 3.
8
9#  This program is distributed in the hope that it will be useful,
10#  but WITHOUT ANY WARRANTY; without even the implied warranty of
11#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12#  GNU General Public License for more details.
13
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
17
18# To the extent this program is licensed as part of the Enterprise
19# versions of Cfengine, the applicable Commercial Open Source License
20# (COSL) may apply to this file if you as a licensee so wish it. See
21# included file COSL.txt.
22
23#+begin_src prep
24#@ ```
25#@ echo '{ "$(main.x)": "$(main.y)" }' > /tmp/expand.json
26#@ ```
27#+end_src
28###############################################################################
29#+begin_src cfengine3
30bundle agent main
31{
32  vars:
33      "x" string => "the expanded x";
34      "y" string => "the expanded y";
35
36      "read" data => readjson("/tmp/expand.json", inf);
37      "expanded" data => data_expand(read);
38
39      "expanded_str" string => format("%S", expanded);
40
41  reports:
42      "$(this.bundle): the x and y references expanded to $(expanded_str)";
43}
44#+end_src
45###############################################################################
46#+begin_src example_output
47#@ ```
48#@ R: main: the x and y references expanded to {"the expanded x":"the expanded y"}
49#@ ```
50#+end_src
51