How about posting a few lines from the input file? Some with, and some without the string of interest.
Not sure if I understood the requirement correctly, but, taking my syslog for a sample, wouldn't this fulfill your needs (redirect printout to a "user" file in /tmp/log if need be):
Quote:
Originally Posted by rbatte1
I think you've got it just right, but it will take me a bit to decipher your code!
Many thanks,
Robin
Hello, rbatte1.
Without having an actual input or output representative example from you, I do think RudiC has shown you a valid indication of what it is possible. Definitively, you do not have the need to grep for it.
If is of any help to decipher what it has been shown, allow me to break it in pieces.
Essentially, there are two pieces to process each line, based on the format structure of /var/log/syslog
Once all lines has been processed, display the result:
Since, this is done for each line, you'll get multiple hits.
If you want to narrow it down to a particular criteria, let's say: "Active transaction started"
Limiting the index to only those lines that contain the match.
If you were to post a representative example, I am quite sure we could provide other alternatives, as well.
Also, you might be interested in knowing about an open source project named: ELK
Which it does an amazing job at dealing with all sort of information on logs.
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