#+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_readintlist
# @brief Example showing function return types
{
  vars:
      "my_list_of_integers"
        ilist => readintlist( "/tmp/list.txt",     # File to read
                              "^(\D+)|(\d+[^\n]+)", # Ignore any lines that are not integers
                              "\n",                 # Split on newlines
                              inf,                  # Maximum number of entries
                              inf);                 # Maximum number of bytes to read

  reports:
      "my_list_of_integers includes '$(my_list_of_integers)'";
}
bundle agent __main__
{
  methods: "example_readintlist";
}
#+end_src
#+begin_src example_output
#@ ```
#@ R: my_list_of_integers includes '1'
#@ R: my_list_of_integers includes '2'
#@ R: my_list_of_integers includes '3'
#@ ```
#+end_src