Websudo does not allow redirection. too many ways for people to be able to use that to do naughty things not encompassed in the sudoers.conf file. As an alternative, you could … WebWhen using a command that does not really 'finish' (such as tail -f ), this actually does not really work or that well (at all). You should be able to redirect the output to a text file. Try this: tail -f log.txt egrep 'WARN ERROR' > filtered_output.txt Share Improve this …
Force flushing of output to a file while bash script is still running
WebJul 4, 2024 · tee redirects it's STDIN to both STDOUT and to the file (s) given as argument (s) -- we have used process substitution to get a file descriptor and used tail -10 >file.txt inside process substitution to save the desired content. Share Improve this answer Follow answered Jul 4, 2024 at 10:50 heemayl 38.3k 7 64 71 1 This is exactly what I needed. WebFeb 17, 2016 · Just use tail to watch the file as it's updated. Background your original process by adding & after your above command After you execute the command above … s31703
shell - Write Python stdout to file immediately - Unix & Linux …
WebMar 18, 2015 · If you want to save the output of a command, use the script command script -c "your command" /tmp/capture.txt The output will be sent to the tty and also to capture.txt If tty1 is not the console that you are running from, you could run a tail -F /tmp/capture.txt from that tty in order to get the results there as well. Share Improve this answer WebFollow answered Oct 16, 2012 at 17:17 wulong 2,627 1 20 19 21 python as well as other C stdio-based programs uses line-buffering in interactive case (stdout is connected to a tty) and block-buffering when redirected to a file. If python -u doesn't work; nohup might have introduced its own buffering. – jfs Oct 16, 2012 at 17:37 15 WebFeb 19, 2015 · You can execute tail in the background while redirecting its output to another file (e.g. /tmp/mylog) and write the pid of the process somewhere in a pid file (e.g. ~/mytail.pid): tail -f logfile > /tmp/mylog & echo $! > ~/mytail.pid Next, when you want to stop it, just execute: kill `cat ~/mytail.pid` s319 of the corporations act 2001