[texhax] Splitting 2-up pages

[Philip Taylor]

> I have a PDF document “printed” 2-up, so that on each 11″×8½″ page there
> are two 5½″×8½″ pages I’d like to extract. How do I go about this?
>
> Is there a way to do this automatically for the entire book?

Maybe something along the lines of the following (replace "100" by the 
maximum page number)

\documentclass{minimal}

\usepackage[papersize={5.5in,8.5in}, margin=0pt, ignoreall]{geometry}

\setlength{\parindent}{0pt}

\usepackage{graphicx}

\begin{document}

\count 254 = 0

\loop

\includegraphics[viewport= 0 0 396 612, page=\count 254]{two-up.pdf}

\includegraphics[viewport= 396 0 792 612, page=\count 254]{two-up.pdf}

\includegraphics[viewport= 0 0 396 612, page=\count 254]{two-up.pdf}

\includegraphics[viewport= 396 0 792 612, page=\count 254]{two-up.pdf}

\ifnum \count 254 < 100 %%% maximum page number

\advance \count 254 by 1

\repeat

\end{document}

Philip Taylor

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