从乳胶文件中提取数字 [英] Extract figures from latex file

问题描述

我可以用一只手来解决以下问题.我正在尝试编写一个 python 脚本，该脚本将从 tex 文件中提取数字并将它们放入另一个文件中.输入文件是这样的:

Hi I could use a hand with the following problem. I'm trying to write a python script that would extract the figures from a tex file and put them into another file. The input file is something like this:

\documentclass[]....
\begin{document}

% More text

\begin{figure}    
figure_info 1
\end{figure}

\begin{figure}    
figure_info 2
\end{figure}    

%More text

输出文件应该是这样的:

And the output file should be something like this:

\begin{figure}    
figure_info 1
\end{figure}

\begin{figure}    
figure_info 2
\end{figure}

感谢您的帮助.

推荐答案

非常感谢您的回答，我终于以这种方式完成了.这可能不是最佳方式，但它有效.我尝试了几种建议的解决方案，但它们需要进行一些调整才能使其发挥作用.

Thanks a lot for the answers I've finally done it this way. It probably isn't the optimal way but it works. I tried several of the proposed solutions but they need some tweaking to get them to work.

infile = open('data.tex', 'r')
outfile = open('result.tex', 'w')
extract_block = False
for line in infile:
    if 'begin{figure}' in line:
        extract_block = True
    if extract_block:
        outfile.write(line)
    if 'end{figure}' in line:
        extract_block = False
        outfile.write("------------------------------------------\n\n")

infile.close()
outfile.close()

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