grok

The grok streamer can handle parsing almost any unstructed lines of text by allowing you to define a pattern on how the lines are constructed which is then used to deconstruct those lines into its various fields. The arguments that the grok streamer currently exposes are:

read

Argument	Description	Required?
headers	boolean used to specify to print or not print the headers	No, default: True

write

Grok can not be used for writing data at this point in time.