I'd like to tail a file but only output lines that have a certain string in them. Is this possible?
Is is possible to filter the output of tail
tailunix
tailunix
I'd like to tail a file but only output lines that have a certain string in them. Is this possible?
Best Answer
use grep. Its built just for that purpose.
To find lines from a tail of /var/log/syslog that have "cron" in them, just run:
And since it accepts anything over stdin, you can use it on the output of any other command as well, by piping in the same way as above (using the | symbol).