#+begin_src prep
#@ ```
#@ printf "one\ntwo\nthree\n" > /tmp/list.txt
#@ printf "1\n2\n3\n"         >> /tmp/list.txt
#@ printf "1.0\n2.0\n3.0"   >> /tmp/list.txt
#@ ```
#+end_src
#+begin_src cfengine3
bundle agent example_readreallist
# @brief Example showing function return types
{
  vars:
    "my_list_of_reals"
      rlist => readreallist(
        "/tmp/list.txt", # File to read
        "^(\D+)", # Ignore any non-digits
        "\n", # Split on newlines
        inf, # Maximum number of entries
        inf
      ); # Maximum number of bytes to read
  reports:
    "my_list_of_reals includes '$(my_list_of_reals)'";
}

bundle agent __main__
{
  methods:
    "example_readreallist";
}

#+end_src
#+begin_src example_output
#@ ```
#@ R: my_list_of_reals includes '1'
#@ R: my_list_of_reals includes '2'
#@ R: my_list_of_reals includes '3'
#@ R: my_list_of_reals includes '1.0'
#@ R: my_list_of_reals includes '2.0'
#@ R: my_list_of_reals includes '3.0'
#@ ```
#+end_src
