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November 17, 2017 17:19
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How to put content from multiple databases in one table using datatool?
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%% https://tex.stackexchange.com/questions/117747/how-to-put-content-from-multiple-databases-in-one-table-using-datatool | |
\documentclass{article} | |
\usepackage{datatool} | |
% generate first test database | |
\begin{filecontents}{first.csv} | |
Year,Number | |
2001,10 | |
2002,20 | |
2003,30 | |
2004,40 | |
\end{filecontents} | |
% generate second test database | |
\begin{filecontents}{second.csv} | |
Year,Number | |
2001,101 | |
2002,202 | |
2003,303 | |
2004,404 | |
\end{filecontents} | |
\DTLloaddb{first}{first.csv} | |
\DTLloaddb{second}{second.csv} | |
\begin{document} | |
% append second column of second data base to first data base | |
\newcount\rowIdx | |
\dtlforcolumn{\secondNumber}{second}{Number}% | |
{% | |
% iterate through each entry in the `Number' column of the second database | |
\advance\rowIdx by 1\relax | |
% get corresponding row of first database | |
\dtlgetrow{first}{\rowIdx}% | |
% append to current row (this new column is assigned the key `Number2') | |
\dtlappendentrytocurrentrow{Number2}{\secondNumber}% | |
% update first database | |
\dtlrecombine | |
} | |
\DTLdisplaydb{first} | |
\end{document} |
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