Help/Suggestion: How to save a Rmarkdown chunk to file in place of evaluation

[siddbhatia]

Is it possible to save a particular chunk (named or otherwise) as a script file in place of evaluating it ?
Something along the lines:

```{r save_to='script.r'}
a_function<-function(){
    print('Something')
}
```

```{r}
source('script.r')
a_function()
```

[siddbhatia]

Found this for now

```{r}
knitr::knit_hooks$set(write_chunk = function(before, options, envir) {
    if (before) {
      fileConn<-file(paste0(options$label))
      writeLines(options$code, fileConn)
      close(fileConn)
    }
})
```

```{r script.r ,write_chunk=TRUE}
```

[github-actions]

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