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Full Discussion: Problem with Date Comparision
Top Forums Shell Programming and Scripting Problem with Date Comparision Post 302338188 by fpmurphy on Monday 27th of July 2009 08:06:30 AM
Old 07-27-2009
Here is one way of doing what you what to do using ksh93
Code:
#!/bin/ksh93

redirect 3< file 
3<#'Released on*'
read -u3 junk1 junk2 date
redirect 3<&- 

if (( $(printf "%(%s)T" "$date") == $(printf "%(%s)T") ))
then
    print "date in file is todays date"
else
    print "date in file is earlier than today"
fi

 

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LEARN ABOUT DEBIAN

mojo::date

Mojo::Date(3pm) 					User Contributed Perl Documentation					   Mojo::Date(3pm)

NAME

       Mojo::Date - HTTP 1.1 date container

SYNOPSIS

	 use Mojo::Date;

	 my $date = Mojo::Date->new(784111777);
	 my $http_date = $date->to_string;
	 $date->parse('Sun, 06 Nov 1994 08:49:37 GMT');
	 my $epoch = $date->epoch;

DESCRIPTION

       Mojo::Date implements HTTP 1.1 date and time functions according to RFC 2616.

	 Sun, 06 Nov 1994 08:49:37 GMT	; RFC 822, updated by RFC 1123
	 Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
	 Sun Nov  6 08:49:37 1994	; ANSI C's asctime() format

ATTRIBUTES

       Mojo::Date implements the following attributes.

   "epoch"
	 my $epoch = $date->epoch;
	 $date	   = $date->epoch(784111777);

       Epoch seconds.

METHODS

       Mojo::Date inherits all methods from Mojo::Base and implements the following new ones.

   "new"
	 my $date = Mojo::Date->new;
	 my $date = Mojo::Date->new($string);

       Construct a new Mojo::Date object.

   "parse"
	 $date = $date->parse('Sun Nov	6 08:49:37 1994');

       Parse date in one of the following formats.

	 - Epoch format(784111777)
	 - RFC 822/1123 (Sun, 06 Nov 1994 08:49:37 GMT)
	 - RFC 850/1036 (Sunday, 06-Nov-94 08:49:37 GMT)
	 - ANSI C asctime() (Sun Nov  6 08:49:37 1994)

   "to_string"
	 my $string = $date->to_string;

       Render date suitable for HTTP 1.1 messages.

SEE ALSO

       Mojolicious, Mojolicious::Guides, <http://mojolicio.us>.

perl v5.14.2							    2012-09-05							   Mojo::Date(3pm)
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