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Top Forums Shell Programming and Scripting How do i compare two dates with format Jan 01, 2012 and Jan 00 2012 Post 302638637 by Corona688 on Thursday 10th of May 2012 01:16:54 PM
Old 05-10-2012
What's your system? If you have Linux, you'll have GNU date, which will make this pretty easy:

Code:
$ date -d 'Jan 10, 2012' '+%s'
1326175200

$ date -d 'Jan 10 2012' '+%s'
1326175200

$

That gives you the date in seconds, and finding how different they are is basic math from there.
 

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DM_ZDUMP(1)						User Contributed Perl Documentation					       DM_ZDUMP(1)

NAME
dm_zdump - timezone dumper SYNOPSIS
This performs the same operation as the unix 'zdump' command, but using the Date::Manip module. dm_zdump [-v] [-c YEAR] [ZONE ZONE ...] DESCRIPTION
This displays the current time in each ZONE named on the command line unless the -v option is given. -h, --help Print online help. -v, --verbose This displays all critical dates (i.e. the times when a time change occurs due to the timezone description) for each of the timezones listed (or the local timezone if none are listed). Each critical date is printed as two lines of output: the last second before the change occurs, and the first second of the new time. By default, all critical dates from Jan 1, 0001 until the year 20 years in the future are printed, but this can be changed with the -c option. -c, --cutoff YEAR This specifies the cutoff year. All critical dates up to the start of YEAR are given. The GMT time Jan 01, YEAR at 00:00:00 is the cutoff time. KNOWN BUGS
None known. BUGS AND QUESTIONS
Please refer to the Date::Manip::Problems documentation for information on submitting bug reports or questions to the author. SEE ALSO
Date::Manip::Date LICENSE
This script is free software; you can redistribute it and/or modify it under the same terms as Perl itself. AUTHOR
Sullivan Beck (sbeck@cpan.org) perl v5.16.3 2014-06-09 DM_ZDUMP(1)
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