*Scenario*: I have a log file on server. One service consistently writes 
information to this file. I want to process every piece of massage wrote to 
the file and output to some destination.

*Idea*: If a read stream can keep in flowing mode and its "end" event never 
be emitted, I believe it will read every new line attached to the log file.

*Question*: Can we set a read stream permanent? Or, Can we use method to 
delete end symbol of the file therefore read stream never knows the file is 
end and keeps reading "null"s?

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