I'm using the following command tail -f /mydir/myfile | grep "searchterm" >> outfile Without the -f it works fine, but with the -f, which I need, nothing is written to the file. The ...
I would like to see the output in a logfile greped by only one domain but also the following two lines. Example: tail -f /var/log/apache2/modsec_audit.log |grep mydomain.de this shows all lines, ...
I am trying to grep the ongoing tail of file log and get the nth word from a line. Example file: $ cat > test.txt <<EOL Beam goes blah John goes hey Beam goes what? John goes forget it Beam ...
I found this solution: http://stackoverflow.com/questions/7178888/grep-q-not-exiting-with-tail-f but is there any other possible? UPD: I want to do tail -f | grep -q something && echo ...
I'm looking to refactor the following command: tail -f production.log | grep -e "Processing " -e "compatible;" -e "Completed in " -e This is the output of the command: Processing ...
Is it possible to do a tail -f (or similar) on a file, and grep it at the same time? I wouldn't mind other commands just looking for that kind of behavior.