I use a different approach than IO::Select when solving this type of problem. Operating systems maintain an end of file marker, which determines how much of the file is readable by another process - the size of the file in bytes.

My approach is as follows (pseudocode): 

while (1) {
    stat the file
    if size of file changed since last time {
        open file
        seek to previous EOF
        print file contents until EOF
        save EOF position for next time
        close the file
    }

    sleep for x seconds
}

[download]
Hope this helps

--
I'm Not Just Another Perl Hacker

In reply to Re: Log file tailing by rinceWind
in thread Log file tailing by wellsja

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