What tag are you creating with the eval? Your example wouldn't create valid roxygen code... as I said, it looks rather meta....
On April 21, 2019 10:40:27 PM PDT, Boris Steipe <boris.ste...@utoronto.ca> wrote: >Yes, that's where I started - the vignette says: > > ... Run arbtirary R code with @eval. > > ... the @eval tag. It evaluates code and treats the result as if it > was a literal roxygen tags. This makes it possible to eliminate > duplication by writing functions. > >The first thing I noticed was that it does not say anything about >delimiters. By trial and error it seems to consider everything up to >the next @... tag in the header. Things that are not R code create an >error during devtools::document() processing. It seems the output is >captured and processed, i.e. System.time() creates a not-a-string >error, but as.character(System.time()) passes ... but then nothing >appears in the .Rd - and I haven't been able to find a single example >of @eval in use in the wild. > >No joy. > > > > >> On 2019-04-22, at 01:29, Jeff Newmiller <jdnew...@dcn.davis.ca.us> >wrote: >> >> I have not used it... but did you read the vignette [1]? It sounds >like it is a bit more meta than you think it is... >> >> [1] >https://cran.r-project.org/web/packages/roxygen2/vignettes/rd.html >> >> On April 21, 2019 7:44:17 PM PDT, Boris Steipe ><boris.ste...@utoronto.ca> wrote: >>> Playing with Roxygen features, but can't get @eval to work. E.g. ... >>> >>> #' @eval sprintf("%s", Sys.time()) >>> >>> ... does not do what I thought it would (i.e. substitute the tag and >>> the expression with the string). Instead I see nothing in the .RD >file. >>> >>> Any working examples out there? >>> Thanks! >>> Boris >>> >>> ______________________________________________ >>> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>> https://stat.ethz.ch/mailman/listinfo/r-help >>> PLEASE do read the posting guide >>> http://www.R-project.org/posting-guide.html >>> and provide commented, minimal, self-contained, reproducible code. >> >> -- >> Sent from my phone. Please excuse my brevity. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.