try.result <- try(your.expr) if(inherits(try.result, "try-error")){ do.what.needs.to.be.done.here() } else { cat("OK", sep="\n") }
Or have a look at ?tryCatch Cheers, Janko > -----Ursprüngliche Nachricht----- > Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] > Im Auftrag von jim holtman > Gesendet: Freitag, 26. November 2010 15:52 > An: Alla Bulashevska > Cc: r-help@r-project.org > Betreff: Re: [R] How to catch error message > > ?try > > On Fri, Nov 26, 2010 at 9:26 AM, Alla Bulashevska > <alla.bullashev...@fdm.uni-freiburg.de> wrote: > > Dear R users, > > i would like to catch error message (coming after > > unsuccessful database query) so that the script will > > process further. How can I manage this? > > Thank you in Advance, > > Alla. > > > > ______________________________________________ > > R-help@r-project.org mailing list > > 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. > > > > > > -- > Jim Holtman > Cincinnati, OH > +1 513 646 9390 > > What is the problem that you are trying to solve? > > ______________________________________________ > R-help@r-project.org mailing list > 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. ______________________________________________ R-help@r-project.org mailing list 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.