gistfile1.txt

body common control
{
      inputs => { "$(sys.libdir)/stdlib.cf" };
      bundlesequence => { "run", "write" };
}

bundle agent run
{
  vars:
      "var_slist" slist => {
                            "line1",
                            "line2 with space",
                            "line3",
                            "line4" };
      "var_string" string => "teststring";

  methods:
      # make the Mustache template (usually you'd maintain it separately)
      "" usebundle => file_make("$(this.promise_filename).mustache",
                               "slist = {{#vars.run.var_slist}}element = {{.}}, {{/vars.run.var_slist}}
string = {{vars.run.var_string}}");

}

bundle agent write
{
  files:
      "/tmp/output.txt"
      create => "true",
      edit_template => "$(this.promise_filename).mustache",
      # note that without a template_data, we use the datastate() function!
      # template_data => readjson($(json_file), "100k"),
      template_method => "mustache";
}