这有益的实施（对此我们深表感谢）可能缺乏计算外部化内容中所含字符或单词的能力。例如，请参阅此 mwe。
代码目前无法在我的系统上编译。我想知道是否可能与 存在冲突filecontents。无论如何，我们希望能够计算可能出现在 中的外部化内容和 bib 项目refsection。
\documentclass{article}
\usepackage{tokcycle}[2021-03-10]
\usepackage{xcolor}
\newcounter{wordcount}
\newcounter{lettercount}
\newcounter{wordlimit}
\newif\ifinword
% USER PARAMETERS
\newif\ifrunningcount
\newif\ifsummarycount
\def\limitcolor{red}
\setcounter{wordlimit}{0}
%%
\makeatletter
% \tc@defx is like \def, but expands the replacement text once prior to assignment
\newcommand\addtomacro[2]{\tc@defx#1{#1#2}}
\newcommand\changecolor[1]{\tctestifx{.#1}{}{\addcytoks{\color{#1}{}}%
\tc@defx\currentcolor{#1}}}
\makeatother
\newcommand\dumpword{%
\addcytoks[1]{\accumword}%
\ifinword\stepcounter{wordcount}
\ifrunningcount\addcytoks[x]{$^{\thewordcount,\thelettercount}$}\fi
\ifnum\thewordcount=\value{wordlimit}\relax\changecolor{\limitcolor}\fi
\fi%
\inwordfalse
\def\accumword{}}
\newcommand\addletter[1]{%
\tctestifcatnx A#1{\stepcounter{lettercount}\inwordtrue}{\dumpword}%
\ifcountspaces\tctestifcatnx .#1{\stepcounter{lettercount}}{}\fi% NEW!!
\addtomacro\accumword{#1}}
\newif\ifcountspaces% NEW!!
\xtokcycleenvironment\countem
{\addletter{##1}}
{\dumpword\groupedcytoks{\processtoks{##1}\dumpword\expandafter}\expandafter
\changecolor\expandafter{\currentcolor}}
{\dumpword\addcytoks{##1}}
{\dumpword\ifcountspaces\stepcounter{lettercount}\fi\addcytoks{##1}}% NEW!!
{\stripgroupingtrue\def\accumword{}\def\currentcolor{.}
\setcounter{wordcount}{0}\setcounter{lettercount}{0}}
{\dumpword\retainsum\ifsummarycount\tcafterenv{%
\par(Wordcount=\thewordcount, Lettercount=\thelettercount)}\fi}
\newcommand\contentlimit[1]{\setcounter{wordlimit}{#1}}
\newcounter{globalwordcount}
\newcounter{globallettercount}
\newcommand\retainsum{%
\addtocounter{globalwordcount}{\thewordcount}%
\addtocounter{globallettercount}{\thelettercount}%
}
\newcommand\processCount{\ifnum\thegloballettercount>0%
\par Global Wordcount=\theglobalwordcount\\
Global Lettercount=\thegloballettercount
\fi}
\newcommand\disablecountem{\let\countem\empty\let\endcountem\empty}
\begin{filecontents}{externalized_content.tex}
Here is some externalized content!
\end{filecontents}
\begin{document}
%\disablecountem% TO TURN OFF COUNTING, WITHOUT CHANGING DOCUMENT
\section*{Over the Limit}
\contentlimit{5}\countem
This content is over the limit.
\endcountem
\section*{Externalized content}
\contentlimit{2}\countem
\input{externalized_content.tex}%
\endcountem
\section*{Example of also counting spaces and punctuation}
\countspacestrue% NEW!!
\countem
x! , ;x\endcountem
\section*{Document analysis}
\processCount
\end{document}
最好的