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ID	172🔗
Date:	2021-01-18 23:05:01
Status	Open Sign in if you want to bump this report.
Category	datatool
Version	2.32
Summary	`\DTLminforcolumn` does not work for empty fields

Description

See [TeX.SX Link] for an MWE as well as a possible fix.

Basically, applying \DTLminforcolumn to a column that contains empty fields will forget the minimum found so far and restart with the next value.

Not sure whether the behaviour of \DTLminforcolumn for empty fields should depend on \ifDTLlistskipempty; didn't read enough of the manual to fully understand its semantics.

MWE

Download (654B)

\documentclass{article}
\usepackage{filecontents}
\usepackage{datatool}

\begin{filecontents*}{example1.csv}
title;value
test1;1
test2;
test3;3
test4;2
\end{filecontents*}
\begin{filecontents*}{example2.csv}
title;value
test1;1
test2;2
test3;3
test4;4
\end{filecontents*}

\begin{document}
    \DTLsetseparator{;}%
    \DTLloaddb{a}{example1.csv}
    \DTLminforcolumn{a}{value}{\minValueFirstExample}
    
    \DTLsetseparator{;}%
    \DTLloaddb{b}{example2.csv}
    \DTLminforcolumn{b}{value}{\minValueSecondExample}
    
    Min Value1: \minValueFirstExample\\ %Should be 1 and not 2
    Min Value2: \minValueSecondExample %Is correct
\end{document}

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