[BioC] How to include external applications in package vignette code?

[Dave Gerrard [guest]]

Hi,
I have created an R package that makes extensive use of external applications (BLAST and MUSCLE) in a typical workflow. I have written a sweave document that could be used as a vignette but which I currently 'build' separately because it makes use of local installations of the two external applications. Is there any way that I could get this package into Bioconductor with a vignette that won't build until the user installs these applications? Or should I just sent it to CRAN?

Cheers,

Dave Gerrard

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