%% timestamp.sty
%%
%% Provides \timestamp command to include current date and time in the form
%% YYYY-MM-DD HH:MM.
%%
%% By David Flater, reusing code from datetime package version 2.1,
%% 2003-12-17, found at:
%% http://theoval.cmp.uea.ac.uk/~gcc/family/nicky/latex/latex.htm
%%
%%   datetime.dtx 
%%   Copyright (C) 2000 Nicola Talbot, all rights reserved.
%%   If you modify this file, you must change its name first.
%%   You are NOT ALLOWED to distribute this file alone. You are NOT
%%   ALLOWED to take money for the distribution or use of either this
%%   file or a changed version, except for a nominal charge for copying
%%   etc.

\NeedsTeXFormat{LaTeX2e}
%% Using dashed date format in the next line causes an error!
\ProvidesPackage{timestamp}[2004/02/03 Timestamp package version 1.0]

\newcount\@DT@modctr
\newcount\@dtctr

\def\@modulo#1#2{%
\@DT@modctr=#1\relax
\divide \@DT@modctr by #2\relax
\multiply \@DT@modctr by #2\relax
\advance #1 by -\@DT@modctr}

\newcommand{\xxivtime}{%
\@dtctr=\time%
\divide\@dtctr by 60
\ifnum\@dtctr<10 0\fi\the\@dtctr:%
\@dtctr=\time%
\@modulo{\@dtctr}{60}%
\ifnum\@dtctr<10 0\fi\the\@dtctr}

\newcommand{\timestamp}{\the\year-%
\ifnum\month<10 0\fi\the\month-%
\ifnum\day<10 0\fi\the\day\ \xxivtime}

\endinput