How to flatten a list of lists?

Question

The tm package extends c so that, if given a set of PlainTextDocuments it automatically creates a Corpus. Unfortunately,

Answer 1

I expect that unlist(foolist) will help you. It has an option recursive which is TRUE by default.

So unlist(foolist, recursive = FALSE) will return the list of the documents, and then you can combine them by:

do.call(c, unlist(foolist, recursive=FALSE))

do.call just applies the function c to the elements of the obtained list