Date: Wed, 19 Dec 2007 19:06:15 -0500 From: Mikhail Teterin <mi+mill@aldan.algebra.com> To: questions@freebsd.org Subject: Re: tail does not exit Message-ID: <200712191906.16254.mi%2Bmill@aldan.algebra.com> In-Reply-To: <86abo64543.fsf@bsd.by> References: <200712192322.lBJNMfps053071@aldan.algebra.com> <86abo64543.fsf@bsd.by>
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Max N. Boyarov: > -f The -f option causes tail to not stop when end of file is > reached, but rather to wait for additional data to be appended > to the input. The -f option is ignored if the standard input is a pipe, > but not if it is a FIFO. Josh Tolbert: > Cause the -f option to tail doesn't work that way. -f always waits for more > input. I know very well about -f waiting for more *input*. What puzzles me, is that tail does not quit, when its *output* is closed. James Harrison: > Is there a reason you want the -f flag? Yes, I want awk to be processing the lines, which are appended to the file, until it finds, what it is looking for, and exits. I expect tail to go away, when its stdout is closed, but it does not. > tail -f holds on for dear life until a ctrl-c happens. IT HAS A DEATH > GRIP! This seems like a bug to me... It should hold on to its input file(s), but exit peacefully, when its stdout closes. No? -mi
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