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Top Forums Shell Programming and Scripting Newbie looking for how to Grep times more than 10 seconds apart Post 302982637 by drl on Friday 30th of September 2016 10:45:59 PM
Old 09-30-2016
Hi.

No changes necessary with dateutils approach. Here are the results from running the script in post #4 for differing days in differing months in differing years:
Code:
$ ./s1 data3

Environment: LC_ALL = C, LANG = C
(Versions displayed with local utility "version")
OS, ker|rel, machine: Linux, 3.16.0-4-amd64, x86_64
Distribution        : Debian 8.6 (jessie) 
bash GNU bash 4.3.30
dateutils.dconv dconv 0.3.1
dateutils.ddiff ddiff 0.3.1

-----
 Input data file data3:
2016-01-01 00:00:01  INFO: [D3B4AEB3] id: 4562079193, time: 2015-12-31 23:59:58, lat: 51.00000, lon: -112.00000, speed: 64.3, course: 130.0
2016-01-01 00:00:01  INFO: [D3B4AEB3] id: 4562079193, time: 2015-12-31 23:59:40, lat: 51.00000, lon: -112.00000, speed: 64.3, course: 130.0

-----
 Results:
 db,  reference is :2016-01-01T00:00:01:, other is :2015-12-31T23:59:58:
 db,  Difference in time is :-3:
 db,  absolute value of :-3: is :3:
 db,  reference is :2016-01-01T00:00:01:, other is :2015-12-31T23:59:40:
 db,  Difference in time is :-21:
 db,  absolute value of :-21: is :21:
2016-01-01 00:00:01  INFO: [D3B4AEB3] id: 4562079193, time: 2015-12-31 23:59:40, lat: 51.00000, lon: -112.00000, speed: 64.3, course: 130.0

Best wishes ... cheers, drl
 

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SVK::Log::Filter::Grep(3)				User Contributed Perl Documentation				 SVK::Log::Filter::Grep(3)

SYNOPSIS
SVK::Log::Filter::Grep - search log messages for a given pattern DESCRIPTION
The Grep filter requires a single Perl pattern (regular expression) as its argument. The pattern is then applied to the svn:log property of each revision it receives. If the pattern matches, the revision is allowed to continue down the pipeline. If the pattern fails to match, the pipeline immediately skips to the next revision. The pattern is applied with the /i modifier (case insensitivity). If you want case-sensitivity or other modifications to the behavior of your pattern, you must use the "(?imsx-imsx)" extended pattern (see "perldoc perlre" for details). For example, to search for log messages that match exactly the characters "foo" you might use svk log --filter "grep (?-i)foo" However, to search for "foo" without regards for case, one might try svk log --filter "grep foo" The result of any capturing parentheses inside the pattern are not available. If demand dictates, the Grep filter could be modified to place the captured value somewhere in the stash for other filters to access. If the pattern contains a pipe character ('|'), it must be escaped by preceding it with a '' character. Otherwise, the portion of the pattern after the pipe character is interpreted as the name of a log filter. STASH
/PROPERTY MODIFICATIONS Grep leaves all properties and the stash intact. perl v5.10.0 2008-08-04 SVK::Log::Filter::Grep(3)
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