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Asked: 2026-05-21T10:24:13+00:00

I am trying to parse large zipped logfile and would like to collect all

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I am trying to parse large zipped logfile and would like to collect all matching parameters within a certain time range:

Wed Nov 3 09:27:20 2010 : remote IP address 209.151.64.18
Wed Nov 3 11:57:22 2010 : secondary DNS address 204.117.214.10

I am able to grep other parameter using the line below:
gzcat jfk-gw10-asr1.20100408.log.gz | egrep gabriel|98.126.209.144\|13.244.137.58\|16.151.65.121

I have been unable to parse for the start time and/or end time.
Any assistance is greatly appreciated.

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1 Answer

  1. Editorial Team

    Assuming that the log file is chronologically sorted you could do e.g.:

    gzcat jfk-gw10-asr1.20100408.log.gz | sed -n '/Nov 3 09:/,/Nov 3 11:/p'

    to get log entries between 09:00:00 and 11:59:59 on Nov, 3rd.

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