On Tue, 14 Mar 2006, Uwe Ligges wrote: > Henrik Bengtsson wrote: > >> Hi, >> >> does anyone know if it is possible to write example code (in Rd >> examples) such that one can stop the example without generating an >> error? Example: >> >> code A >> if (cond) >> niceStop() >> code B > > > What about > > code A > if(cond){ > code B > } > > But maybe I do not get your point.
That is how many examples in base R do it. The only thing to remember is that you have to explicitly print inside any such test. > > Uwe Ligges > > >> I know this sounds weird, but I would like some of my Rd examples to >> run if and only if another package is available or if a certain large >> Affymetrix data file is available. One can put all of the example in >> a function and return from the function if the package is not >> available, but then all object assigned are lost. My best/cleanest >> solution right now is to use break in a dummy for loop. Examples: >> >> for (z in 1) { >> >> code A >> if (cond) >> break >> code B >> >> } >> >> Other suggestions? The solution must off course pass R CMD check. >> >> /Henrik >> >> PS. I know example() calls source(), but I'm not sure how R CMD check >> does it. DS. >> >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > > -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel