Count the number of events per hour.

From: Alistair McKeown (Alistair.Mckeown_at_jacobsrimell.com)
Date: 02/04/05

  • Next message: Sumeet Chandwani: "Bad SDLT 320 - updates?" 
    To: sunmanagers@sunmanagers.org
Date: Fri, 4 Feb 2005 12:40:31 -0000

    Hi gurus,

            I was wondering if the is a couple of commands or a simple script
    that could count the number of events per hour from a text file I have which
    just contains the times themselves. Some how I need to see how many events
    are happening per hour.

    Heres the start of the txt file for example (which carries on for 24hrs) :

    Trouble is if a wc -l count for 07, in the hour column, 07 could be in the
    min or second column as well.

    07:46:37
    07:49:20
    07:49:41
    07:49:48
    07:50:09
    07:50:34
    07:51:31
    07:54:14
    07:54:24
    07:55:02
    07:55:54
    07:56:14
    07:56:35
    07:57:10
    07:57:34
    07:57:44
    07:57:46
    07:58:18
    07:59:19
    07:59:19
    07:59:33
    07:59:40
    08:00:00
    08:00:12
    08:00:52
    08:01:20
    08:01:55
    08:02:21
    08:02:21
    08:02:55
    08:03:46
    08:04:17
    08:04:29
    08:04:37
    08:04:56
    08:05:22
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