search for: simpleconditions

Hi, I'm trying to learn how to use the tryCatch condition system and am confused about the behavior when I set the call arg of a simpleCondition. I want to catch an error if it meets a certain criteria and otherwise reraise it. I want the error message to indicate the function in which the error occured (and not mention tryCatch). Wanted: > g("foo") ## error caught

On 3/14/06, Uwe Ligges <ligges at statistik.uni-dortmund.de> 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

is it possible to throw a stop() that is so hard that it will escape even tryCatch? /iaw ---- Ivo Welch (ivo.welch at gmail.com)

Hi, I would like to bring up and old suggestion [http://tolstoy.newcastle.edu.au/R/devel/06/03/4512.html] of adding an exit condition, so that for instance it is possible to silently exit from scripts and Rd examples similar to return() for functions, e.g. \examples{ require("foo") || exit("Example will not run without the 'foo' package.") ... } I know this can be