[R] rmarkdown and source call to R file.

[Jeff Newmiller]

This is off topic here... please read the Posting Guide about getting help on contributed packages.  Check out the RStudio forums.

FWIW you should also look carefully at ?knitr::knit_global ... I don't think it does what you seem to think it does.

On January 21, 2021 10:49:17 PM PST, Georgios via R-help <r-help using r-project.org> wrote:
>Hi!
>I'm new in R and this list.
>I made a shiny app using R studio.
>my files are:
>   -server.R
>   -ui.R
>   -helper.R
>   -Report.Rmd.
>
>All the files are on the same directory and helper.R is a file that
>contains a lot of functions used in Report.Rmd and server.R
>
>for some reason I cant call from Report.Rmd the file helper.R
>
>My code in Report.Rmd is
>
>   ## Summarize table
>   ```{r, echo=FALSE}
>   library(knitr)
>   source("helper.R", local = knitr::knit_global())
>   summarized_table<-give_table(params$ldf_summary)
>   kable(summarized_table,"simple")
>   ```
>If I use absolute path it works but since I want to upload it to 
>https://www.shinyapps.io/ I must make it work with relative path.
>
>The message I get is:
>
>   processing file: Report.Rmd
>    
>   |..........................                                         
>                                        |  25%
>     ordinary text without R code
>
>    
>   |....................................................               
>                                        |  50%
>   label: unnamed-chunk-1 (with options) 
>   List of 1
>    $ echo: logi FALSE
>
>   Quitting from lines 13-17 (Report.Rmd) 
>
>   Warning: Error in file: cannot open the connection
>     [No stack trace available]
>
>
>The funny thing is that if I put the cursor inside "" at the beginning
>and I press tab I get the option to choose helper.R. So Im guessing
>that I'm on the right directory.
>Any ideas what I'm missing?
>
>I'm stuck on this lines of code 2 days now.
>I would really appreciate
>any ideas.
>
>
>Thanks in advance for your help!!!
>
>
>ps. I tried all the combinations in Tools->Global Options-> "Evaluate
>chunks in directory" with no luck.
>
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-- 
Sent from my phone. Please excuse my brevity.