can purl() parse out chunk headers?

[Siny Tsang]

When I run purl() on my .Rnw file, the R codes show up as something like this:

## ----simplecal1, echo=-1, tidy=FALSE-------------------------------------

# Some comments

15+10

12/6

.7*5

Is there a way to exclude the chunk headers (## ----simplecal1, echo=-1, tidy=FALSE-------------------------------------) ?

Thanks!

[Derek Ogle]

I believe that you can include

 

documentation=0

 

inside your purl() call.  See ?purl.

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