% This file is embedded in datatool-user.pdf version 3.1 2025-03-10
% Example 143 Bar Chart With a Legend
% Label: "ex:barchartlegend"
% arara: pdflatex
% arara: pdfcrop
\documentclass[12pt]{article}
\pagestyle{empty}
% sample CSV file:
\begin{filecontents}[noheader,overwrite]{fruit.csv}
Name,Quantity
"Apples",30
"Pears",25
"Lemons,Limes",40.5
"Peaches",34.5
"Cherries",20
\end{filecontents}


\usepackage{databar}
% Load data from fruit.csv file:
\DTLsetup{store-datum,default-name=fruit}
\DTLread{fruit.csv} 
\begin{document}
\DTLbarchart
{
 init={% 
 \def\mychartlegend{}% 
 \renewcommand{\DTLeverybarhook}{% 
  \ifdefempty{\mychartlegend}{}{\appto\mychartlegend{\\}}% 
  \eappto\mychartlegend{% 
    {\noexpand\DTLdobarcolor{\DTLbarindex}
    \noexpand\rule{\noexpand\DTLbarwidth}{\noexpand\DTLbarwidth}}
    \expandonce\Name
  }% 
  }% 
 \renewcommand{\DTLbaratendtikz}{% 
 \node[at={(\DTLbarchartwidth,0pt)},anchor=south west] 
  {
    \begin{tabular}{l}
    \mychartlegend
    \end{tabular}
  };
  }% 
 },
 variable=\Quantity,% variable required
 y-ticks,ylabel=Quantity
}
{fruit}% database
{\Quantity=Quantity,\Name=Name}% assignment list
 
\end{document}