Trying to understand pipes - Can't pipe output from tail -f to grep then grep again

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Trying to understand pipes - Can't pipe output from tail -f to grep then grep again

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03-12-2009, 10:31 PM	#16
jeff303 LQ Newbie Registered: Mar 2009 Posts: 1 Rep:	Thanks! I know this thread is quite old but I had the same problem recently. I couldn't figure out why the program after my final pipe wasn't getting the lines from grep when it clearly should have worked. After beating my head against the desk for an hour I finally stumbled on this thread and the --line-buffered option to grep was the magic I needed. Thanks again!

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buffer accumulation, buffer flush, stdbuf, tail grep buffer

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