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Autoreply: It seems that pdflatex applies compression to the attachments. If I attach files which contain plain zeros (e.g. from /dev/zero), then the attachment process is very fast and the resulting pdf file is very small. For example,

- a random 5242880 byte (5 MiB) file attached 10 times ...

siepo wrote:With me it worked fine without messing with priority (xp, excel2003)

Do you mean that you had to fix the reference but not the priority?

I would like to attach files into PDF files using the attachfile package. pdflatex seems to write these attachments rather slowly even if all files are in a directory in tmpfs (in memory). It takes a few seconds to attach a 5 MB file although dd is able to write about 500 MB/second. While pdflatex ...

This problem may be caused by a broken reference to REFEDIT.DLL. Excel2LaTeX.xla contains a reference to folder OFFICE12 (Office 2007). If you use the macro with Office 2003 (OFFICE11) you must fix the reference. REFEDIT.DLL is in c:\Program Files\Microsoft Office\OFFICE11\. In Excel go to Tools ...