From the tail(1) man page: With --follow (-f), tail defaults to following the file descriptor, which means that even if a tail’ed file is renamed, tail will continue to track its end. This default …

In addition, tail will not read any more than head, so thus we have shown that head | tail reads the fewest number of lines possible (again, plus some negligible buffering that we are ignoring). …

You can pipe the tail -f into sed, telling it to quit when it sees the line you're searching for: tail -f /path/to/file.log | sed '/^Finished: SUCCESS$/ q' sed will output each line it processes by …

Aug 22, 2017 · Answers differ based on context. To quit tail -f elegantly, you will need a trigger. Assume you are trying to monitor output of a task that will finish at some point in time - that …

tmux new-window -a -n Tail tmux new-session -d -s Tail -n SSH0 -d tmux selectp -t Tail #This is tmux interactions with the user (colors of the tabs used, hot keys, etc.) tmux bind-key -n M-Left …

tail -F *.txt uses for reading multiple files is better than less +F *.txt. In contrast, using less +F error_log.txt (using Ctrl-C & F to unload/load the new data) is better than tail -F error_log.txt for …

Then, read from it. You can always do that with things like tail, to minimize output, etc. Whenever you clear the pipe (read from it), it gets cleared, so the output is not preserved. The other …

Jan 1, 2014 · grep "2014-01-01 21:" log.txt; tail -f log.txt It will print everything from that hour, and keep tailing. or you can also use awk to print everything from start of an certain hour to end of …

Apr 14, 2015 · The option --line-buffer is required because the output of a command (e.g. tail -f one.log or tail -f two.log) would be printed if that command is finished. Since tail -f will wait for …

Sep 8, 2021 · If you use tail -n +1 this is just a verbose way of saying cat, to copy the input to output. If you rewrite it so the tail -n +2 is outside the implicit loop like this. busybox find . -exec …