From: Gustav Paul <gustav@...>
Date: 2007-03-25T07:41:12+09:00
Subject: Re: Prcoessing outoput from tail

Phy Prabab wrote:
> Hello,
>
> I am trying to figure out how to perpetually process the output from a file.  That is I continuously want to process output that is appended to a file and that file could get rolled out at any time.  I use popen w/tail, but this opens the file each time and I have to reprocess all the files content.  Is there a better way to do this or a library that would help me?  I know that I could probably open the file, tack location, and watch the inode to make sure the file has not been rolled, but that amounted to a lot of mistakes and I could never get it work properly.
>
> Thanks for the help!
> Phy
>
>
>
>
>  
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Check out the file-tail gem:

http://file-tail.rubyforge.org/

Cheery-o,
Gustav Paul