Re: [Ssh-sftp-perl-users] Comparing two dates (day) & Months

[Ken B. <ken...@co...>]

You do know that you can read both dates into a gmtime structure and do
everything in there.

-----Original Message-----
From: Nigel Reed [mailto:ni...@sy...] 
Sent: Tuesday, February 24, 2009 13:49
To: Perl Perl
Cc: ssh...@li...
Subject: Re: [Ssh-sftp-perl-users] Comparing two dates (day) & Months

Three suggestions.

1) Use the Date::Calc module
2) Post to a list for general PERL questions, not one for Net::SSH::Perl
3) Pick up a copy of Perl Programming

Oh, here's a free one, Dec is the 12th month.

%mon2num = qw(
    Jan 1  Feb 2  Mar 3  Apr 4  May 5  Jun 6  Jul 7  Aug 8  Sep 9  Oct 10
Nov 11 Dec 12
);

$monthtext="Feb";
$monthnum = $mon2num{"$monthtext"};


Perl Perl wrote:
>>
>> Dear All,
>>
>>          I have to compare two dates. And populate the result based on
>> that.
>> First date I have received from previous script, which in this form
>> 5-Feb-09.
>> And I have to compare this date with current date, locatime() . With the
>> localtime() I will get the current Day (24),Month (2) & year (2009 )
>>
>> I will split the old date as below and get the result as below.
>>
>> $Old_Day = 5;
>> $Old_Month = Feb.
>>
>> And then I convert Feb to 2 ( Month number ) by using scalar veriable. (
>> The thing repeated for all months ).
>>
>> if( $Old_Month eq Feb)
>> {
>>   $Old_Month = "2";
>> }
>> elsif($Old_Month eq Mar )
>> {
>>   $Old_Month = "3";
>> }
>> .....
>> elsif($Old_Month eq Dec )
>> {
>>  $Old_Month = "13";
>> }
>>
>> And in current month,  which I got from localtime function as,
>>
>> $Current_Month , which will be 2 (  not sure this is a string or a
>> numric
>> ).
>>
>> so while substracting or comparing as below,
>>
>> if (($current_Month - $Old_Month > 10) )
>> {
>>   print " Some operation ";
>> }
>>
>> Here if I compare with current month with the old_month (Feb) then the
>> result is fine.
>> but if the old_month is something like Jan or Jun something, then I am
>> not
>> getting the properl result.
>>
>> Please let me know how can I compare and Substract two months or two
>> dates
>> in above scenario.
>>
>> Thanks a lot for your kind help.
>>
>> Regards,
>> Mujju
>>
>>
>
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Nigel Reed
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