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Re^4: GMT to PST format

by Anonymous Monk
on Jun 20, 2010 at 08:32 UTC ( #845606=note: print w/ replies, xml ) Need Help??


in reply to Re^3: GMT to PST format
in thread GMT to PST format

Date::Manip module is installed. But when I use the code

#!/usr/bin/perl use strict; use warnings; use Date::Manip; my $date_manip_object = new Date::Manip; $date_manip_object->parse( '2 days ago' ); $date_manip_object->convert( 'GMT' ); my $gmt_ref = $date_manip_object->printf( '%Y%m%d') ; while (<DATA>) { my $err = $date_manip_object->parse_format('.*?\\[%d/%b/%Y:%T\s+%z +\\].*', $_); next if $err; # skip (?) lines that do not match the date format my $input_line_date = $date_manip_object->printf( '%Y%m%d') ; if ($input_line_date eq $gmt_ref) { print; } } __DATA__ 10.1.10.178 - - [15/Jun/2010:23:30:34 +0000] - 10.1.10.178 - - [16/Jun/2010:23:30:34 +0000] -
Can't locate object method "new" via package "Date::Manip" at


Comment on Re^4: GMT to PST format
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Re^5: GMT to PST format
by Corion (Pope) on Jun 20, 2010 at 08:38 UTC
    my $date_manip_object = new Date::Manip;

    Where in the documentation did you find that usage? It doesn't work because the module does not work that way. Read Date::Manip.

      10.1.10.178 - - [15/Jun/2010:23:30:34 +0000] - 10.1.10.178 - - [16/Jun/2010:23:30:34 +0000] -
      The date and time is in GMT. I should convert to PST time.
      #!/usr/bin/perl use Date::Manip; $date = ParseDate("2 days ago"); print $date
      This works and why created a object doenst work.
        #!/usr/bin/perl use Date::Manip; $date = Date_ConvTZ($date1,'GMT','PST'); print $date
        Is this command converts to PST format?

        Maybe you should read the documentation. If a class method ->new is not defined, it will not work.

        Most likely, you have a deeper misunderstanding about how objects work in Perl. ->new is a subroutine like any other subroutine, and not a keyword as it is in other languages. So if the module programmer does not provide you with a subroutine ->new, then you cannot call it and Perl tells you so.

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