[RndTbl] Grep supports Perl regexp! Who knew?

Adam Thompson athompso at athompso.net
Wed Jan 9 12:01:22 CST 2013

Command Line Magic (@climagic) tweeted at 11:58 AM on Wed, Jan 09, 2013:
grep -o -P "(?<=CRON\[)\d+" /var/log/syslog # GNU grep supports perl regex expressions. This gives only the PID on CRON lines in syslog.


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