Extract package names from Rmd source and write to configuration file

[nanxstats]

Possibly using the source parse tree offered by lintr by @jimhester .

https://cran.r-project.org/web/packages/lintr/vignettes/creating_linters.html

[nanxstats]

or try this one (also applies to require(), ::, etc.):

sub(".*library\\(\"(.*?)\"\\).*", "\\1", grep("library\\(", readLines("foo.Rmd"), value = TRUE))

[nanxstats]

Maybe an R function + an RStudio addin for this purpose using the above snippet.

[nanxstats]

Note to self: packrat:::fileDependencies and packrat:::fileDependencies.Rmd should be the right way to go.