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\documentclass[11pt,a4paper]{ltxdoc}
\usepackage{bera}
\usepackage{inconsolata}
\usepackage[T1]{fontenc}
\usepackage[scale=0.875]{cabin}
\usepackage{commalists-tools}
\usepackage{fancyvrb}
\usepackage{fancyhdr}
\usepackage{tabularray}
\usepackage{fontawesome5}
\fancyhf{}
\renewcommand{\headrulewidth}{0pt}
\lfoot{\sffamily\small [commalists-tools]}
\cfoot{\sffamily\small - \thepage{} -}
\rfoot{\hyperlink{matoc}{\small\faArrowAltCircleUp[regular]}}
\usepackage{hologo}
\providecommand\tikzlogo{Ti\textit{k}Z}
\providecommand\TeXLive{\TeX{}Live\xspace}
\let\TikZ\tikzlogo

\usepackage{hyperref}
\urlstyle{same}
\hypersetup{pdfborder=0 0 0}
\usepackage[margin=2cm]{geometry}
\setlength{\parindent}{0pt}
\def\TPversion{0.20d}
\def\TPdate{11/06/2026}
\usepackage{tcolorbox}
\usepackage{pgffor}
\tcbuselibrary{breakable,skins,hooks,listingsutf8}
%\usepackage{soul}
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\begin{document}

\thispagestyle{empty}

\begin{center}
	\begin{minipage}{0.88\linewidth}
		\begin{tcolorbox}[colframe=yellow,colback=yellow!15]
			\begin{center}
				\renewcommand{\arraystretch}{1.25}%
				\begin{tabular}{c}
					{\Huge \texttt{commalists-tools}}\\
					\\
					{\LARGE Macros for manipulating numeral} \\
					{\LARGE comma separated lists:} \\
					{\LARGE sorting, adding, removing, etc} \\
					\\
					{\small \texttt{Version \TPversion{} -- \TPdate}}
				\end{tabular}
			\end{center}
		\end{tcolorbox}
	\end{minipage}
\end{center}

\begin{center}
	\begin{tabular}{c}
		\texttt{Cédric Pierquet}\\
		{\ttfamily c pierquet -- at -- outlook . fr}\\
		\texttt{\url{https://github.com/cpierquet/latex-packages/tree/main/commalists-tools}} \\
	\end{tabular}
\end{center}

\hrule

\vfill

\begin{tcblisting}{colframe=lightgray,colback=lightgray!5,listing only}
\def\mytestlist{14,10,15,11,9,10}
\lenoflist*{\mytestlist}
\minoflist*{\mytestlist}
\maxoflist*{14,10,15,11,9,10}
\sortasclist*{\mytestlist}
\meanoflist*{\mytestlist}
\removevalinlist*{10}{\mytestlist}
\testifvalinlist{15}{\mytestlist}{true}{false}
\getvaluefromlist*{\mytestlist}{3}
\end{tcblisting}

\begin{tcolorbox}[colframe=lightgray,colback=lightgray!5]
\def\mytestlist{14,10,15,11,9,10}
We consider the list: \mytestlist\par\smallskip
There's \lenoflist*{\mytestlist} values in the list\par\smallskip
The minimum value is \minoflist*{\mytestlist} and the maximum is \maxoflist*{14,10,15,11,9,10}\par\smallskip
Ascending sorted list is \sortasclist*{\mytestlist}\par\smallskip
Meaning value of the list is \meanoflist*{\mytestlist}\par\smallskip
If we remove the value 10, then the list is \removevalinlist*{10}{\mytestlist}\par\smallskip
We test if 15 is in the list: \testifvalinlist{15}{\mytestlist}{true}{false}\par\smallskip
The third value of the list is \getvaluefromlist*{\mytestlist}{3}

\end{tcolorbox}

\vfill~

%\hrule
%
%\medskip

%\emph{%
%	The \textsf{luarandom} package do the same things, but with the obligation to compile with \hologo{LuaLaTeX}.
%}
%
%\medskip

\hrule

\vspace*{5mm}

\pagebreak

\phantomsection

\hypertarget{matoc}{}

\tableofcontents

\vspace*{5mm}

%\hrule

\pagebreak

\section{Loading, useful packages}

In order to load \texttt{randintlist}, simply use:

\begin{DemoCode}{listing only}
\usepackage{commalists-tools}
\end{DemoCode}

Loaded packages are \texttt{listofitems}, \texttt{xintexpr} and \texttt{xstring}.

\smallskip

The idea is to propose "reusage" of lists with \texttt{listofitems} or other commands, for example.

\section{The individual macros}

\subsection{Global usage}

Package \texttt{commalists-tools} supports (basic) manipulations on numeral comma separated lists:

\begin{itemize}
	\item sorting;
	\item adding values;
	\item removing values;
	\item counting values;
	\item mean, sum, product;
	\item get value, get length;
	\item etc.
\end{itemize}

Starred versions only print the result, whereas non starred versions store the result into a macro.

\medskip

\hfill\textbf{All engines \TeX\ are compatible with this package.}\hfill~

\subsection{The macros for calculating}

\begin{DemoCode}{listing only}
%getting length of list, only printing
\lenoflist*{list}
%storing length of list into macro (\resmylen by default)
\lenoflist{list}
%getting min of list, only printing
\minoflist*{list}
%storing min of list into \macro (\resmin by default)
\minoflist{list}[\macro]
%getting max of list, only printing
\maxoflist*{list}
%storing max of list into \macro (\resmax by default)
\maxoflist{list}[\macro]
\end{DemoCode}

\begin{DemoCode}{}
%only printing
\lenoflist*{14,10,15,11,9,10}\\
%only printing
\minoflist*{14,10,15,11,9,10} and \maxoflist*{14,10,15,11,9,10}
\end{DemoCode}

\begin{DemoCode}{}
%storing len/min/max of list
\def\mytestlist{10,14.5,20,12,8.5}
\lenoflist{\mytestlist}[\mylen]Length of list is \mylen\ \&
\minoflist{\mytestlist}[\mymin]Min of list is \mymin\ \&
\maxoflist{\mytestlist}[\mymax]Max of list is \mymax
\end{DemoCode}

\begin{DemoCode}{listing only}
%getting mean of list, only printing
\meanoflist*{list}
%storing mean of list into \macro (\resmean by default)
\meanoflist{list}[\macro]
%getting sum of list, only printing
\sumoflist*{list}
%storing max of list into \macro (\ressum by default)
\sumoflist{list}[\macro]
%getting prod of list, only printing
\prodoflist*{list}
%storing max of list into \macro (\resprod by default)
\prodoflist{list}[\macro]
\end{DemoCode}

\begin{DemoCode}{}
%only printing
\meanoflist*{14,10,15,11,9,10} \\
%storing
\meanoflist{14,10,15,11,9,10}[\mymean]\mymean \\
%only printing
\sumoflist*{14,10,15,11,9,10} and \prodoflist*{14,10,15,11,9,10} \\
%storing
\sumoflist{14,10,15,11,9,10}[\mysum]\prodoflist{14,10,15,11,9,10}[\myprod]
The sum is \mysum\ and the prod is \myprod
\end{DemoCode}

\subsection{Macros for manipulating}

\begin{DemoCode}{listing only}
%sorting (asc), only printing
\sortasclist*{list}
%sorting (asc) and storing (overwrite)
\sortasclist{list}
%sorting (des), only printing
\sortdeslist*{list}
%sorting (des) and storing (overwrite)
\sortdeslist{list}
\end{DemoCode}

\begin{DemoCode}{}
%sorting (asc), only printing
\sortasclist*{14,10,15,11.5,9,10}\\
%sorting (asc) and storing (overwrite)
\def\tmpsortlist{14,10,15,11.5,9,10}
\sortasclist{\tmpsortlist}\tmpsortlist\\
%analysing
\readlist*\tmpSORTlist{\tmpsortlist}
\showitems{\tmpSORTlist}
\end{DemoCode}

\begin{DemoCode}{listing only}
%extract value, only printing
\getvaluefromlist*{list}{index}
%extract value and storing into macro (\myelt by default)
\getvaluefromlist{list}{index}[\macro]
\end{DemoCode}

\begin{DemoCode}{listing only}
%extract value (cyclic list), only printing
\getvaluefromcycllist*{list}{index}
%extract value (cyclic list) and storing into macro (\myelt by default)
\getvaluefromcycllist{list}{index}[\macro]
\end{DemoCode}

\begin{DemoCode}{}
%extract value, only printing
\def\listtmp{1,2,3,6,3,1,5,7,3}%
\getvaluefromlist*{\listtmp}{4}\par\smallskip
%storing
\getvaluefromlist{\listtmp}{-1}[\mylastelt]The last element is \mylastelt
\end{DemoCode}

\begin{DemoCode}{}
%extract value (cyclic list), only printing
\def\listtmp{A,B,C,D,E,F}%
\getvaluefromcycllist*{\listtmp}{10}\par\smallskip
%storing
\getvaluefromcycllist{\listtmp}{-10}[\myelt]\myelt
\end{DemoCode}

\begin{DemoCode}{}
%sorting (des), only printing
\sortdeslist*{14,10,15,11.5,9,10}\\
%sorting (asc) and storing (overwrite)
\def\tmpsortlist{14,10,15,11.5,9,10}
\sortdeslist{\tmpsortlist}\tmpsortlist\\
%analysing
\readlist*\tmpSORTlist{\tmpsortlist}
\showitems{\tmpSORTlist}
\end{DemoCode}

\begin{DemoCode}{listing only}
%adding, only printing
\addvalinlist*{values}{list}
%adding and storing (overwrite)
\addvalinlist{values}{list}
%removing, only printing
\removevalinlist*{value}{list}
%removing and storing (overwrite)
\removevalinlist{value}{list}
\end{DemoCode}

\begin{DemoCode}{}
%only printing
\addvalinlist*{3}{1,2,5,6}\\
%defining and adding
\def\tmpaddlist{1,2,4,5,6}
\addvalinlist{3}{\tmpaddlist}\tmpaddlist\\
%analysing
\readlist*\tmpADDlist{\tmpaddlist}
\showitems{\tmpADDlist}
\end{DemoCode}

\begin{DemoCode}{}
%only printing
\removevalinlist*{3}{1,2,3,6,3,1,5,7,3}\\
%defining and removing
\def\tmpremlist{1,2,3,6,3,1,5,7,3}
\removevalinlist{3}{\tmpremlist}\tmpremlist\\
%analysing
\readlist*\tmpREMlist{\tmpremlist}
\showitems{\tmpREMlist}
\end{DemoCode}

\begin{DemoCode}{listing only}
%reversing, only printing
\reverselist*{list}
%reversing and storing (overwrite)
\reverselist{list}
\end{DemoCode}

\begin{DemoCode}{}
%only printing
\reverselist*{14,10,15,11,9,10}\\
%reversing and storing
%storing
\reverselist{14,10,15,11,9,10}[\myreverse]\myreverse\\
%analysing
\readlist*\tmpREVERSElist{\myreverse}
\showitems{\tmpREVERSElist}
\end{DemoCode}

\subsection{Macros with testing}

\begin{DemoCode}{listing only}
%testing if value is in list, with boolean result in \macro (\resisinlist by default)
\boolvalinlist{value}{list}[\macro]
%conditionnal test if value is in list, according to xint syntax
\testifvalinlist{3}{0,1,2,3}{true}{false}
\end{DemoCode}

\begin{DemoCode}{}
%test with xint syntax
\testifvalinlist{-1}{0,1,2,3}{true}{false}\\
%test with xint syntax
\testifvalinlist{3}{0,1,2,3}{true}{false}\\
%boolean macro
\def\myteslist{0,5,10,5,6,9,7,8}
\boolvalinlist{5}{\myteslist}[\resisinlist]\resisinlist
\end{DemoCode}

\begin{DemoCode}{listing only}
%counting value, only printing
\countvalinlist*{value}{list}
%counting value, with result in \macro (\rescount by default)
\countvalinlist{value}{list}[\macro]
\end{DemoCode}

\begin{DemoCode}{}
%only printing
\countvalinlist*{8}{1,2,3,4,5,6,6,7,8,8,8,9}\\
%storing
\def\tmpcountlist{1,2,3,4,5,6,6,7,8,8,8,9}
\countvalinlist{6}{\tmpcountlist}[\rescountsix]\rescountsix\\
\countvalinlist{10}{\tmpcountlist}[\rescountten]\rescountten
\end{DemoCode}

\pagebreak

\section{Macros for already processed lists}

In order to speed up the process, it's possible to "define" a list (processed with \texttt{listofitems}) and the to call specific macros.

\begin{DemoCode}{listing only}
%define a list, to be processed by listofitems
\definemylist{rawlist}{processed list}

%Specific macros (same specs as above)
\lenofdeflist(*){processed list, without \ !}[\macro]
\countvalindeflist(*){val}{processed list, without \ !}[\macro]
\meanofdeflist(*){processed list, without \ !}[\macro]
\sumofdeflist(*){processed list, without \ !}[\macro]
\prodofdeflist(*){processed list, without \ !}[\macro]
\getvaluefromdeflist(*){processed list, without \ !}{index}[\macro]
\getvaluefromcycldeflist(*){processed list, without \ !}{index}[\macro]
\end{DemoCode}

\begin{DemoCode}{}
%define a list, to be processed by listofitems
\definemylist{1,4,5,6,7,8,9,19,9,9,10}{\mydeflist}\showitems{\mydeflist}

%Specific macros
\lenofdeflist*{mydeflist}\\
\getvaluefromdeflist*{mydeflist}{5}\\
\getvaluefromcycldeflist*{mydeflist}{22}\\
\countvalindeflist*{9}{mydeflist}\\
\meanofdeflist*{mydeflist}\\
\sumofdeflist*{mydeflist}\\
\prodofdeflist*{mydeflist}
\end{DemoCode}

If the list needs to be "modified" (add, remove, reverse) the best is to use individual macros, and after use \textit{define} and specific macros :-)

\pagebreak

\section{History}

\texttt{0.20d: Improvements in L3 version of package}

\texttt{0.20c: Improvements in L3 version of package}

\texttt{0.20b: Extract element with cyclic list}

\texttt{0.20a: Improvements in L3 version of package}

\texttt{0.1.7: Improvements in L3 version of package}

\texttt{0.1.6: L3 version of package}

\texttt{0.1.5: Bugfix}

\texttt{0.1.4: Changing name of macro}

\texttt{0.1.3: Duplicate macro with ProfMaquette (so new name)}

\texttt{0.1.2: Alternative macros for already treated lists}

\texttt{0.1.1: Compatibility with decimals, len of list, get value}

\texttt{0.1.0: Initial version}

\section{The code}

\DemoCodeFile{commalists-tools.sty}

\end{document}
