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Top Forums Shell Programming and Scripting perl : number to date conversion in CSV file Post 302702057 by giridhar276 on Tuesday 18th of September 2012 03:50:39 AM
Old 09-18-2012
perl : number to date conversion in CSV file

I have a CSV file in the below format.
while generating CSV file from excel sheet , date in excel sheet(Format :Mon 8/28/2012) got converted into the below format with numbers 41148,41149 so on.

Could anyone please let me know how to the convert the numbers(41148,41149 so on.) to its actual date(Format :Mon 8/28/2012).

Code:
abc.net1,BW: 1.07 M,,,,,,,,,,,,,,,,,,,,,,,
Hrly Avg (IN / OUT),0:00,1:00,2:00,3:00,4:00,5:00,6:00
41148,,,,,,,,,,,,,,,,,,,,,,,,
41149,,,,,,,,,,,,,,,,,,,,,,,,
41150,,,,,,,,,,,,,,,,,,,,,,,,
41151,,,,,,,,,,,,,,,,,,,,,,,,
41152,,,,,,,,,,,,,,,,,,,,,,,,
xyz1,BW: 1.07 M,,,,,,,,,,,,,,,,,,,,,,,
Hrly Avg (IN / OUT),0:00,1:00,2:00,3:00,4:00,5:00,6:00
41148,,,,,,,,,,,,,,,,,,,,,,,,
41149,,,,,,,,,,,,,,,,,,,,,,,,
41150,,,,,,,,,,,,,,,,,,,,,,,,
41151,,,,,,,,,,,,,,,,,,,,,,,,
41152,,,,,,,,,,,,,,,,,,,,,,,,

Expected format
Code:
abc.net1,BW: 1.07 M,,,,,,,,,,,,,,,,,,,,,,,
Hrly Avg (IN / OUT),0:00,1:00,2:00,3:00,4:00,5:00,6:00
Mon 08/27/2012,,,,,,,,,,,,,,,,,,,,,,,,
Tue 08/28/2012,,,,,,,,,,,,,,,,,,,,,,,,
Wed 08/29/2012,,,,,,,,,,,,,,,,,,,,,,,,
Thu 08/30/2012,,,,,,,,,,,,,,,,,,,,,,,,
Fri 08/31/2012,,,,,,,,,,,,,,,,,,,,,,,,


---------- Post updated at 10:50 PM ---------- Previous update was at 10:34 PM ----------

from CPAN modules, I got that DateTime::Format::Excel can do the work for me.
But not sure how to proceed with this module.
Code:
   use DateTime::Format::Excel;     my $datetime = DateTime::Format::Excel->parse_datetime( 37680 );     print $datetime->ymd();     # prints 2003-02-28

---------- Post updated 09-18-12 at 02:50 AM ---------- Previous update was 09-17-12 at 10:50 PM ----------

Could anyone please help me in solving this issue ?

Thanks in advance...

Regards,
GS

Last edited by giridhar276; 09-18-2012 at 05:03 AM..
 

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Spreadsheet::XLSX(3pm)					User Contributed Perl Documentation				    Spreadsheet::XLSX(3pm)

NAME
Spreadsheet::XLSX - Perl extension for reading MS Excel 2007 files; SYNOPSIS
use Text::Iconv; my $converter = Text::Iconv -> new ("utf-8", "windows-1251"); # Text::Iconv is not really required. # This can be any object with the convert method. Or nothing. use Spreadsheet::XLSX; my $excel = Spreadsheet::XLSX -> new ('test.xlsx', $converter); foreach my $sheet (@{$excel -> {Worksheet}}) { printf("Sheet: %s ", $sheet->{Name}); $sheet -> {MaxRow} ||= $sheet -> {MinRow}; foreach my $row ($sheet -> {MinRow} .. $sheet -> {MaxRow}) { $sheet -> {MaxCol} ||= $sheet -> {MinCol}; foreach my $col ($sheet -> {MinCol} .. $sheet -> {MaxCol}) { my $cell = $sheet -> {Cells} [$row] [$col]; if ($cell) { printf("( %s , %s ) => %s ", $row, $col, $cell -> {Val}); } } } } DESCRIPTION
This module is a (quick and dirty) emulation of Spreadsheet::ParseExcel for Excel 2007 (.xlsx) file format. It supports styles and many of Excel's quirks, but not all. It populates the classes from Spreadsheet::ParseExcel for interoperability; including Workbook, Worksheet, and Cell. SEE ALSO
Text::CSV_XS, Text::CSV_PP http://search.cpan.org/~hmbrand/ A pure perl version is available on http://search.cpan.org/~makamaka/ Spreadsheet::ParseExcel http://search.cpan.org/~kwitknr/ Spreadsheet::ReadSXC http://search.cpan.org/~terhechte/ Spreadsheet::BasicRead http://search.cpan.org/~gng/ for xlscat likewise functionality (Excel only) Spreadsheet::ConvertAA http://search.cpan.org/~nkh/ for an alternative set of cell2cr () / cr2cell () pair Spreadsheet::Perl http://search.cpan.org/~nkh/ offers a Pure Perl implementation of a spreadsheet engine. Users that want this format to be supported in Spreadsheet::Read are hereby motivated to offer patches. It's not high on my todo-list. xls2csv http://search.cpan.org/~ken/ offers an alternative for my "xlscat -c", in the xls2csv tool, but this tool focusses on character encoding transparency, and requires some other modules. Spreadsheet::Read http://search.cpan.org/~hmbrand/ read the data from a spreadsheet (interface module) AUTHOR
Dmitry Ovsyanko, <do@eludia.ru<gt>, http://eludia.ru/wiki/ Patches by: Steve Simms Joerg Meltzer Loreyna Yeung Rob Polocz Gregor Herrmann H.Merijn Brand endacoe Pat Mariani Sergey Pushkin ACKNOWLEDGEMENTS
Thanks to TrackVia Inc. (http://www.trackvia.com) for paying for Rob Polocz working time. COPYRIGHT AND LICENSE
Copyright (C) 2008 by Dmitry Ovsyanko This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.8 or, at your option, any later version of Perl 5 you may have available. perl v5.10.1 2010-05-16 Spreadsheet::XLSX(3pm)
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