Re: DateParser::parseFormatted(string, format) - Parsing dd/mm/yyyy ?

Posted by dom on Sep 07, 2016; 7:01pm
URL: http://quantlib.414.s1.nabble.com/DateParser-parseFormatted-string-format-Parsing-dd-mm-yyyy-tp17693p17703.html

Thanks very much.. This will be very useful.

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From: Luigi Ballabio <[hidden email]>
Sent: Wednesday, 7 September 2016 9:03 PM
To: Domonic Tom; [hidden email]
Subject: Re: [Quantlib-users] DateParser::parseFormatted(string, format) - Parsing dd/mm/yyyy ?

 

Use %Y (capital Y) for 4-digits year.  The parser uses Boost.Date internally; the complete reference for the format is at <http://www.boost.org/doc/libs/1_61_0/doc/html/date_time/date_time_io.html#date_time.format_flags>.

Luigi

On Wed, Sep 7, 2016 at 12:35 PM Domonic Tom <[hidden email]> wrote:

I'm trying to parse the below date using the DateParser::parseFormatted method but I'm not having any luck.

I can use this method but for a date string formatted dd/mm/yyyy it outputs the wrong year.

How do I correct this. 

d.year should  equal 2016 but instead I get 2020 because the only date the date parser seems to take is dd/mm/yy

#include <iostream>

#include <ql/quantlib.hpp>

#include <ql/utilities/dataparsers.hpp>

using namespace std;

using namespace QuantLib;

int main()

{

    Calendar cal = Australia();

   

    // convert a string to a date.

    string mydate = "05/08/2016";

    const Date d = DateParser::parseFormatted(mydate,"%d/%m/%y");

    cout << "The year of this date is: " <<  d.year() << endl;

}

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