Tagged Questions
2
votes
2answers
266 views
extract last match from logfile till end
Using sed, grep, awk, or ruby, what's a simple way to find the last match of a string in a larger log file, and send every line following it (inclusive) to another file?
Example:
grep -A222 ...
2
votes
2answers
308 views
parsing through log file and printing out regex backreferences
I want to parse my /var/log/maillog to print out the email addresses in "from=<>" and "to=<>" (mainly to do a quick check for false positives in the DNS RBLs that I've configured)
A maillog ...
2
votes
1answer
448 views
Using grep/sed/awk to classify log file entries
I need to process a very large log file with many lines in different formats.
My goal is to extract unique line entries who have the same starting pattern, e.g. '^2011-02-21.*MyKeyword.*Error', ...