1# Copyright 2021 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 -n 1,2,3 > /tmp/file.csv 26#@ echo -n '{ "x": 200 }' > /tmp/file.json 27#@ echo '- a' > /tmp/file.yaml 28#@ echo '- b' >> /tmp/file.yaml 29#@ ``` 30#+end_src 31############################################################################### 32#+begin_src cfengine3 33bundle agent main 34{ 35 vars: 36 37 "csv" data => readdata("/tmp/file.csv", "auto"); # or file type "CSV" 38 "json" data => readdata("/tmp/file.json", "auto"); # or file type "JSON" 39 40 "csv_str" string => format("%S", csv); 41 "json_str" string => format("%S", json); 42 43 feature_yaml:: # we can only test YAML data if libyaml is compiled in 44 "yaml" data => readdata("/tmp/file.yaml", "auto"); # or file type "YAML" 45 "yaml_str" string => format("%S", yaml); 46 reports: 47 48 "From /tmp/file.csv, got data $(csv_str)"; 49 "From /tmp/file.json, got data $(json_str)"; 50 feature_yaml:: 51 "From /tmp/file.yaml, we would get data $(yaml_str)"; 52 !feature_yaml:: # show the output anyway 53 'From /tmp/file.yaml, we would get data ["a","b"]'; 54 55} 56#+end_src 57############################################################################### 58#+begin_src example_output 59#@ ``` 60#@ R: From /tmp/file.csv, got data [["1","2","3"]] 61#@ R: From /tmp/file.json, got data {"x":200} 62#@ R: From /tmp/file.yaml, we would get data ["a","b"] 63#@ ``` 64#+end_src 65