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Top Forums Shell Programming and Scripting Getting a specific date from cal output with AWK Post 302380910 by Casey on Wednesday 16th of December 2009 03:41:53 PM
Old 12-16-2009
Getting a specific date from cal output with AWK

Hi guys!

I'll make this short... Is there any good way to get the day number that first matches the Monday column from the cal command output with awk (or any other text manipulator commands) ?

I'm sorry if my question wasn't clear at all.

For example...

One cal output would be

Code:
$ cal
       December 2009      
Sun Mon Tue Wed Thu Fri Sat  
         1   2   3   4   5
 6   7   8   9  10  11  12
13  14  15  16  17  18  19
20  21  22  23  24  25  26
27  28  29  30  31

Now, what I really need to get is the number of the first Monday in the month (I might also need, for example, the 3rd number of the Friday column, or any other number related to day that I need from that output).... In this case that would be the 7. I cannot think of anything since I have to consider that Monday might also be 1 or 2 in the 3rd line.....

Any idea?? I need this in order to setup a backup script for crontab, since as you know crontab is a little bit dumb.... but that doesn't matter.


Any help will be appreciated, thank you all in advance Smilie


P.S.: Sorry for my bad English...
 

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DateTime::Locale::en_AU(3)				User Contributed Perl Documentation				DateTime::Locale::en_AU(3)

NAME
DateTime::Locale::en_AU SYNOPSIS
use DateTime; my $dt = DateTime->now( locale => 'en_AU' ); print $dt->month_name(); DESCRIPTION
This is the DateTime locale package for English Australia. DATA
This locale inherits from the DateTime::Locale::en locale. It contains the following data. Days Wide (format) Monday Tuesday Wednesday Thursday Friday Saturday Sunday Abbreviated (format) Mon Tue Wed Thu Fri Sat Sun Narrow (format) M T W T F S S Wide (stand-alone) Monday Tuesday Wednesday Thursday Friday Saturday Sunday Abbreviated (stand-alone) Mon Tue Wed Thu Fri Sat Sun Narrow (stand-alone) M T W T F S S Months Wide (format) January February March April May June July August September October November December Abbreviated (format) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Narrow (format) J F M A M J J A S O N D Wide (stand-alone) January February March April May June July August September October November December Abbreviated (stand-alone) Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Narrow (stand-alone) J F M A M J J A S O N D Quarters Wide (format) 1st quarter 2nd quarter 3rd quarter 4th quarter Abbreviated (format) Q1 Q2 Q3 Q4 Narrow (format) 1 2 3 4 Wide (stand-alone) 1st quarter 2nd quarter 3rd quarter 4th quarter Abbreviated (stand-alone) Q1 Q2 Q3 Q4 Narrow (stand-alone) 1 2 3 4 Eras Wide Before Christ Anno Domini Abbreviated BC AD Narrow B A Date Formats Full 2008-02-05T18:30:30 = Tuesday, 5 February 2008 1995-12-22T09:05:02 = Friday, 22 December 1995 -0010-09-15T04:44:23 = Saturday, 15 September -10 Long 2008-02-05T18:30:30 = 5 February 2008 1995-12-22T09:05:02 = 22 December 1995 -0010-09-15T04:44:23 = 15 September -10 Medium 2008-02-05T18:30:30 = 05/02/2008 1995-12-22T09:05:02 = 22/12/1995 -0010-09-15T04:44:23 = 15/09/-010 Short 2008-02-05T18:30:30 = 5/02/08 1995-12-22T09:05:02 = 22/12/95 -0010-09-15T04:44:23 = 15/09/-10 Default 2008-02-05T18:30:30 = 05/02/2008 1995-12-22T09:05:02 = 22/12/1995 -0010-09-15T04:44:23 = 15/09/-010 Time Formats Full 2008-02-05T18:30:30 = 6:30:30 PM UTC 1995-12-22T09:05:02 = 9:05:02 AM UTC -0010-09-15T04:44:23 = 4:44:23 AM UTC Long 2008-02-05T18:30:30 = 6:30:30 PM UTC 1995-12-22T09:05:02 = 9:05:02 AM UTC -0010-09-15T04:44:23 = 4:44:23 AM UTC Medium 2008-02-05T18:30:30 = 6:30:30 PM 1995-12-22T09:05:02 = 9:05:02 AM -0010-09-15T04:44:23 = 4:44:23 AM Short 2008-02-05T18:30:30 = 6:30 PM 1995-12-22T09:05:02 = 9:05 AM -0010-09-15T04:44:23 = 4:44 AM Default 2008-02-05T18:30:30 = 6:30:30 PM 1995-12-22T09:05:02 = 9:05:02 AM -0010-09-15T04:44:23 = 4:44:23 AM Datetime Formats Full 2008-02-05T18:30:30 = Tuesday, 5 February 2008 6:30:30 PM UTC 1995-12-22T09:05:02 = Friday, 22 December 1995 9:05:02 AM UTC -0010-09-15T04:44:23 = Saturday, 15 September -10 4:44:23 AM UTC Long 2008-02-05T18:30:30 = 5 February 2008 6:30:30 PM UTC 1995-12-22T09:05:02 = 22 December 1995 9:05:02 AM UTC -0010-09-15T04:44:23 = 15 September -10 4:44:23 AM UTC Medium 2008-02-05T18:30:30 = 05/02/2008 6:30:30 PM 1995-12-22T09:05:02 = 22/12/1995 9:05:02 AM -0010-09-15T04:44:23 = 15/09/-010 4:44:23 AM Short 2008-02-05T18:30:30 = 5/02/08 6:30 PM 1995-12-22T09:05:02 = 22/12/95 9:05 AM -0010-09-15T04:44:23 = 15/09/-10 4:44 AM Default 2008-02-05T18:30:30 = 05/02/2008 6:30:30 PM 1995-12-22T09:05:02 = 22/12/1995 9:05:02 AM -0010-09-15T04:44:23 = 15/09/-010 4:44:23 AM Available Formats d (d) 2008-02-05T18:30:30 = 5 1995-12-22T09:05:02 = 22 -0010-09-15T04:44:23 = 15 EEEd (d EEE) 2008-02-05T18:30:30 = 5 Tue 1995-12-22T09:05:02 = 22 Fri -0010-09-15T04:44:23 = 15 Sat Hm (H:mm) 2008-02-05T18:30:30 = 18:30 1995-12-22T09:05:02 = 9:05 -0010-09-15T04:44:23 = 4:44 hm (h:mm a) 2008-02-05T18:30:30 = 6:30 PM 1995-12-22T09:05:02 = 9:05 AM -0010-09-15T04:44:23 = 4:44 AM Hms (H:mm:ss) 2008-02-05T18:30:30 = 18:30:30 1995-12-22T09:05:02 = 9:05:02 -0010-09-15T04:44:23 = 4:44:23 hms (h:mm:ss a) 2008-02-05T18:30:30 = 6:30:30 PM 1995-12-22T09:05:02 = 9:05:02 AM -0010-09-15T04:44:23 = 4:44:23 AM M (L) 2008-02-05T18:30:30 = 2 1995-12-22T09:05:02 = 12 -0010-09-15T04:44:23 = 9 Md (M/d) 2008-02-05T18:30:30 = 2/5 1995-12-22T09:05:02 = 12/22 -0010-09-15T04:44:23 = 9/15 MEd (E, M/d) 2008-02-05T18:30:30 = Tue, 2/5 1995-12-22T09:05:02 = Fri, 12/22 -0010-09-15T04:44:23 = Sat, 9/15 MMdd (dd/MM) 2008-02-05T18:30:30 = 05/02 1995-12-22T09:05:02 = 22/12 -0010-09-15T04:44:23 = 15/09 MMM (LLL) 2008-02-05T18:30:30 = Feb 1995-12-22T09:05:02 = Dec -0010-09-15T04:44:23 = Sep MMMd (MMM d) 2008-02-05T18:30:30 = Feb 5 1995-12-22T09:05:02 = Dec 22 -0010-09-15T04:44:23 = Sep 15 MMMEd (E, MMM d) 2008-02-05T18:30:30 = Tue, Feb 5 1995-12-22T09:05:02 = Fri, Dec 22 -0010-09-15T04:44:23 = Sat, Sep 15 MMMMd (d MMMM) 2008-02-05T18:30:30 = 5 February 1995-12-22T09:05:02 = 22 December -0010-09-15T04:44:23 = 15 September MMMMEd (E, MMMM d) 2008-02-05T18:30:30 = Tue, February 5 1995-12-22T09:05:02 = Fri, December 22 -0010-09-15T04:44:23 = Sat, September 15 ms (mm:ss) 2008-02-05T18:30:30 = 30:30 1995-12-22T09:05:02 = 05:02 -0010-09-15T04:44:23 = 44:23 y (y) 2008-02-05T18:30:30 = 2008 1995-12-22T09:05:02 = 1995 -0010-09-15T04:44:23 = -10 yM (M/yyyy) 2008-02-05T18:30:30 = 2/2008 1995-12-22T09:05:02 = 12/1995 -0010-09-15T04:44:23 = 9/-010 yMEd (EEE, M/d/yyyy) 2008-02-05T18:30:30 = Tue, 2/5/2008 1995-12-22T09:05:02 = Fri, 12/22/1995 -0010-09-15T04:44:23 = Sat, 9/15/-010 yMMM (MMM y) 2008-02-05T18:30:30 = Feb 2008 1995-12-22T09:05:02 = Dec 1995 -0010-09-15T04:44:23 = Sep -10 yMMMEd (EEE, MMM d, y) 2008-02-05T18:30:30 = Tue, Feb 5, 2008 1995-12-22T09:05:02 = Fri, Dec 22, 1995 -0010-09-15T04:44:23 = Sat, Sep 15, -10 yMMMM (MMMM y) 2008-02-05T18:30:30 = February 2008 1995-12-22T09:05:02 = December 1995 -0010-09-15T04:44:23 = September -10 yQ (Q yyyy) 2008-02-05T18:30:30 = 1 2008 1995-12-22T09:05:02 = 4 1995 -0010-09-15T04:44:23 = 3 -010 yQQQ (QQQ y) 2008-02-05T18:30:30 = Q1 2008 1995-12-22T09:05:02 = Q4 1995 -0010-09-15T04:44:23 = Q3 -10 yyyyMM (MM/yyyy) 2008-02-05T18:30:30 = 02/2008 1995-12-22T09:05:02 = 12/1995 -0010-09-15T04:44:23 = 09/-010 yyyyMMMM (MMMM y) 2008-02-05T18:30:30 = February 2008 1995-12-22T09:05:02 = December 1995 -0010-09-15T04:44:23 = September -10 Miscellaneous Prefers 24 hour time? No Local first day of the week Monday SUPPORT
See DateTime::Locale. AUTHOR
Dave Rolsky <autarch@urth.org> COPYRIGHT
Copyright (c) 2008 David Rolsky. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. This module was generated from data provided by the CLDR project, see the LICENSE.cldr in this distribution for details on the CLDR data's license. perl v5.18.2 2017-10-06 DateTime::Locale::en_AU(3)
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