I recently ran into an issue when running the output of tail -F file.log through a series of multiple grep instances. One level of grep worked fine and I saw the output in real time. However, once I added a second level, I would get nothing for minutes after, then sudden output (at first I thought my… Read more »
SOLVED: Output of Multiple Greps Are Delayed or Missing (No Output) When Tailing a File
Sunday, September 12, 2010