Conditionally include a list of child documents in RMarkdown with knitr

Question

Given a list of child documents, how can you choose which to insert into a master document based on some criteria?

In my use case, I am matching the unknown entries in o

Answer 1

Found the solution myself; simply pass a vector of child documents to the code chunk.

```{r}
child_docs <- c("doc1.Rmd", "doc2.Rmd","doc3.Rmd","doc4.Rmd")
```

```{r, child = child_docs}
```

After implementing my own code in order to obtain the list of child docs to include.