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Full Discussion: Time difference in minutes
Top Forums Shell Programming and Scripting Time difference in minutes Post 302921237 by RavinderSingh13 on Thursday 16th of October 2014 02:27:05 AM
Old 10-16-2014
Quote:
Originally Posted by jayadanabalan
Hi Folks,

I have a text file that has only time in the format HH:MM:SS like seen below.

21:36:17
23:52:08

I need to find the difference in minutes alone from this text file so the result would be 136.

Thanks
Jay
Hello jay,

Assuming your file is in following format. Then following may help.
File:
Code:
cat time_diff
21:36:17        23:52:08

Code:
awk 'function time_details(A){split(A,X,":"); TOT=X[1] * 3600 + X[2] * 60 + X[3]; return TOT} {print time_details($2) - time_details($1)}'  time_diff


Thanks,
R. Singh
 

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Time::Seconds(3perl)					 Perl Programmers Reference Guide				      Time::Seconds(3perl)

NAME
Time::Seconds - a simple API to convert seconds to other date values SYNOPSIS
use Time::Piece; use Time::Seconds; my $t = localtime; $t += ONE_DAY; my $t2 = localtime; my $s = $t - $t2; print "Difference is: ", $s->days, " "; DESCRIPTION
This module is part of the Time::Piece distribution. It allows the user to find out the number of minutes, hours, days, weeks or years in a given number of seconds. It is returned by Time::Piece when you delta two Time::Piece objects. Time::Seconds also exports the following constants: ONE_DAY ONE_WEEK ONE_HOUR ONE_MINUTE ONE_MONTH ONE_YEAR ONE_FINANCIAL_MONTH LEAP_YEAR NON_LEAP_YEAR Since perl does not (yet?) support constant objects, these constants are in seconds only, so you cannot, for example, do this: "print ONE_WEEK->minutes;" METHODS
The following methods are available: my $val = Time::Seconds->new(SECONDS) $val->seconds; $val->minutes; $val->hours; $val->days; $val->weeks; $val->months; $val->financial_months; # 30 days $val->years; $val->pretty; # gives English representation of the delta The usual arithmetic (+,-,+=,-=) is also available on the objects. The methods make the assumption that there are 24 hours in a day, 7 days in a week, 365.24225 days in a year and 12 months in a year. (from The Calendar FAQ at http://www.tondering.dk/claus/calendar.html) AUTHOR
Matt Sergeant, matt@sergeant.org Tobias Brox, tobiasb@tobiasb.funcom.com BalieXXzs SzabieXX (dLux), dlux@kapu.hu LICENSE
Please see Time::Piece for the license. Bugs Currently the methods aren't as efficient as they could be, for reasons of clarity. This is probably a bad idea. perl v5.14.2 2011-09-19 Time::Seconds(3perl)
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