countlinesmatching.markdown

layout	title	published	tags
default	countlinesmatching	true	reference io functions functions countlinesmatching

[%CFEngine_function_prototype(regex, filename)%]

Description: Count the number of lines in file filename matching regex.

This function matches lines in the named file, using an [anchored][anchored] regular expression that should match the whole line, and returns the number of lines matched.

[%CFEngine_function_attributes(regex, filename)%]

Example:

[%CFEngine_include_snippet(countlinesmatching.cf, #+begin_src cfengine3, .*end_src)%]

Output:

[%CFEngine_include_snippet(countlinesmatching.cf, #+begin_src\s+example_output\s*, .*end_src)%]