Finding Files with Perl on a Hidden Dir? Post: 302976601

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Top Forums UNIX for Beginners Questions & Answers Finding Files with Perl on a Hidden Dir? Post 302976601 by LinQ on Friday 1st of July 2016 10:42:17 AM

07-01-2016

Registered User

Thank you, bakunin, for that tidbit. Wasn't sure how to refer to the dot-prefixed file and dir naming convention/scheme apart from how it is dubbed by others out here in the wild; hence the chosen title for my post.

@Aia:
Thanks for letting me know which entity(?) is being passed along to Perl in this particular situation. I'd suspected as much, but was unable to banish the offending code appendage during my learning exercises the other day.

On other points, I have a question for you: Is it better to have more or less information in any particular coding scenario? Sending commands to the system via Perl is an accepted and widespread practice; and one which could be of overall benefit to others at some junctures.

Case in point: a friend of mine is an Electrophysicist of near-retirement age who dabbles in Perl; and only recently discovered the use of backticks in passing along system commands. After our conversation, he was grateful for the information; and began his own digging in that direction. In the context of this microcosm, perfecting one's crossover capabilities in this area of Perl codewriting is, I believe, a worthy undertaking for folks from all walks who may visit here...

That being said, the personal comments in your last post came across, quite frankly, as insular and strident; particularly in light of the forum in which the OP was posted. Some who visit these pages may have to deal with that type of interaction on a regular basis in real life and in potentially serious matters; and come to unix.com to relax, learn, and pursue better things.

At any rate, all the best to you; and many thanks for the valuable contributions which you present in these forums.

Good day, all!

LinQ

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LEARN ABOUT LINUX

log_mf_h

log_mf_h(3erl)						     Erlang Module Definition						    log_mf_h(3erl)

NAME

       log_mf_h - An Event Handler which Logs Events to Disk

DESCRIPTION

       The  log_mf_h is a gen_event handler module which can be installed in any gen_event process. It logs onto disk all events which are sent to
       an event manager. Each event is written as a binary which makes the logging very fast. However, a tool such as the Report Browser  (  rb  )
       must  be used in order to read the files. The events are written to multiple files. When all files have been used, the first one is re-used
       and overwritten. The directory location, the number of files, and the size of each file are configurable. The directory	will  include  one
       file called index , and report files 1, 2, .... .

EXPORTS

       init(Dir, MaxBytes, MaxFiles)
       init(Dir, MaxBytes, MaxFiles, Pred) -> Args

	      Types  Dir = string()
		     MaxBytes = integer()
		     MaxFiles = 0 < integer() < 256
		     Pred = fun(Event) -> boolean()
		     Event = term()
		     Args = args()

	      Initiates  the  event  handler.  This  function  returns	Args  ,  which should be used in a call to gen_event:add_handler(EventMgr,
	      log_mf_h, Args) .

	      Dir specifies which directory to use for the log files. MaxBytes specifies the size of each individual file. MaxFiles specifies  how
	      many  files  are used. Pred is a predicate function used to filter the events. If no predicate function is specified, all events are
	      logged.

SEE ALSO

       gen_event(3erl) , rb(3erl)

Ericsson AB							   stdlib 1.17.3						    log_mf_h(3erl)