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Merging PDF files

I've tried using an automator / preview script found here, however the resulting file was substantially larger than the individual components and had caused an error in Acrobat.

The easiest way to do it is to use LaTeX (assuming that you have it installed). Here is what I used to combine several files into one:

Code:
\documentclass[a4paper]{article}
\usepackage{pdfpages}
\usepackage[pdftex]{hyperref}
\begin{document}

\includepdf[pages=1-1]{001.pdf}
\includepdf[pages=1-1]{002.pdf}
\includepdf[pages=1-1]{003.pdf}
\includepdf[pages=1-203]{004.pdf}
\includepdf[pages=1-3]{005.pdf}
\includepdf[pages=1-1]{006.pdf}
\includepdf[pages=1-1]{007.pdf}
\includepdf[pages=1-1]{008.pdf}
\end{document}

I hope you'll find it useful.
 
You can use Preview if you are using Snow Leopard. In my case, I'm on Tiger and the only way I was able to merge over 40 files was with Batch PDF Merger, which I think will work on Tiger and Snow Leopard. Click here for batch pdf merger.

The program took roughly 6 seconds to merge my files.
 
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