One way is to open 'tail -f' as a 'read-from' filehandle within your script, as documented in perlopentut. 

open Tail, '/usr/bin/tail -f /my/log/file |' or die "Pipe failed: $!\n
+";
while (<Tail>){
    # Do stuff
}

[download]

-- 
Human history becomes more and more a race between education and catastrophe. -- HG Wells

In reply to Re: using perl to format tail -f by oko1
in thread using perl to format tail -f by danmcb

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