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Top Forums Shell Programming and Scripting calcuate the week number of a given date Post 82972 by Ygor on Friday 9th of September 2005 02:57:33 AM
Old 09-09-2005
If you have perl...
Code:
#!/usr/bin/ksh
YEAR=2005
MM=05
DD=08
WEEKNUM=$(perl -e '
   use Time::Local;
   $DATE = timelocal(0, 0, 0, $ARGV[2], $ARGV[1]-1, $ARGV[0]-1900);
   $YEARDAY = (localtime $DATE)[7];
   $WEEKNUM = int($YEARDAY / 7) + 1;
   print $WEEKNUM;
   ' $YEAR $MM $DD)
echo Week number is $WEEKNUM

Test result...
Code:
Week number is 19

Note that you can get the current week number by using...
Code:
date +%W

This User Gave Thanks to Ygor For This Post:
 

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Perl::Critic::Command(3)				User Contributed Perl Documentation				  Perl::Critic::Command(3)

NAME
Perl::Critic::Command - Guts of perlcritic. SYNOPSIS
use Perl::Critic::Command qw< run >; local @ARGV = qw< --statistics-only lib bin >; run(); DESCRIPTION
This is the implementation of the perlcritic command. You can use this to run the command without going through a command interpreter. INTERFACE SUPPORT
This is considered to be a public class. However, its interface is experimental, and will likely change. IMPORTABLE SUBROUTINES
"run()" Does the equivalent of the perlcritic command. Unfortunately, at present, this doesn't take any parameters but uses @ARGV to get its input instead. Count on this changing; don't count on the current interface. TO DO
Make "run()" take parameters. The equivalent of @ARGV should be passed as a reference. Turn this into an object. AUTHOR
Jeffrey Ryan Thalhammer <jeff@imaginative-software.com> COPYRIGHT
Copyright (c) 2005-2011 Imaginative Software Systems. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of this license can be found in the LICENSE file included with this module. perl v5.16.3 2014-06-09 Perl::Critic::Command(3)
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