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- What is the difference between tail -f and tail -F?
tail -f fill not retry and load the new inode, tail -F will detect this The same effect will happen if you rename move a file If you for example follows var log messages and logrotate rotates the log to var log messages 1 tail with -f will still listen to the old inode that points to messages 1 tail with -F will realize this and read the
- tail -1 file1 gt; gt; file2 without \n - Unix Linux Stack Exchange
the issue is comming from the csv that they have an empty line at the end it is driving me crazy if i use tail -1 area csv in the terminal i have a value as result if I use tail -1 area csv > area csv after the file has an empty line alone
- How does the tail commands -f parameter work?
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 behavior is not desirable when you really want to track the actual name of the file, not the file descrip- tor (e g , log rotation)
- How to tail multiple files using tail -0f in Linux AIX
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 previous-window -t WinSplit tmux bind-key -n M-Right next-window -t WinSplit tmux set-window-option -g monitor-activity on tmux set -g visual-activity
- How to quit `tail -f` mode without using `Ctrl+c`?
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 can become your trigger task > filename log task_pid=$! tail -f filename log tail_pid=$! while [ 1 ] do # -0 is a special "poke" signal - "are you around?"
- Show tail of files in a directory? - Unix Linux Stack Exchange
Barring your files don't include strange characters in their names, such as spaces, new lines, etc A simple pipe to tail -n 200 should suffice Example Sample data $ touch $(seq 300) Now the last 200: $ ls -l | tail -n 200 You might not like the way the results are presented in that list of 200
- Combining tail journalctl - Unix Linux Stack Exchange
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- How do I tail a log file and keep tailing it when the latest one . . .
tail monitors a single file, or at most a set of files that is determined when it starts up In the command tail -F file_name* log, first the shell expands the wildcard pattern, then tail is called on whatever file(s) exist at the time To monitor a set of files based on wildcards, you can use multitail multitail -iw 'file_name* log' 1
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