I would type tryCatch
at the R console and start reading code. It looks like it uses some internals, though. On June 22, 2022 12:43:55 PM PDT, "Ebert,Timothy Aaron" <teb...@ufl.edu> wrote: >I am used to seeing a function like this: >> function_name <- function(arg_1, arg_2, ...) { >Function body >} > >Where would I find documentation on building functions of the form of tryCatch? >In the form I am used to, the function would look like this: > >tryCatch <- function(){ > print("fred") >} >tryCatch() > > > >Tim > >-----Original Message----- >From: R-help <r-help-boun...@r-project.org> On Behalf Of Jeff Newmiller >Sent: Wednesday, June 22, 2022 3:24 PM >To: r-help@r-project.org; akshay kulkarni <akshay...@hotmail.com>; R help >Mailing list <r-help@r-project.org> >Subject: Re: [R] inconsistency in tryCatch... > >[External Email] > >You defined a function. You did not call the function. tryCatch returned the >object you defined. So the interactive console printed the object returned. > >Invoking the "function" function does not call the defined function for you. >Try: > >tryCatch((function() print("fred"))(), error = function(e) sum(1:3), finally = >sum(1:3)) > >On June 22, 2022 12:00:38 PM PDT, akshay kulkarni <akshay...@hotmail.com> >wrote: >>Dear members, >> I have the following code: >> >> > tryCatch(function() print("fred"), error = function(e) sum(1:3), >> finally = sum(1:3)) >> function() print("fred") >> >>The expected output from the tryCatch call should be to print "fred" to the >>console, and exit, but as seen above, it is outputting >> function() print("fred") >> >>Can you people please shed some light on what is happening? >> >>thanking you, >>Yours sincerely, >>AKSHAY M KULKARNI >> >> [[alternative HTML version deleted]] >> >>______________________________________________ >>R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>https://urldefense.proofpoint.com/v2/url?u=https-3A__stat.ethz.ch_mailm >>an_listinfo_r-2Dhelp&d=DwICAg&c=sJ6xIWYx-zLMB3EPkvcnVg&r=9PEhQh2kVeAsRz >>sn7AkP-g&m=4GOIwQQ_5zpqVjTnLYhmyFiVnTjVbTaENrDP6E3yyYsFz0UsfGP3b8k4vIW5 >>G8Od&s=miLGRDrHT2Mq-cL9E3qEBX6MDiNcxeNASJxGBFYRFRA&e= >>PLEASE do read the posting guide >>https://urldefense.proofpoint.com/v2/url?u=http-3A__www.R-2Dproject.org >>_posting-2Dguide.html&d=DwICAg&c=sJ6xIWYx-zLMB3EPkvcnVg&r=9PEhQh2kVeAsR >>zsn7AkP-g&m=4GOIwQQ_5zpqVjTnLYhmyFiVnTjVbTaENrDP6E3yyYsFz0UsfGP3b8k4vIW >>5G8Od&s=rwDSAcNw3na2O_NBsF6rl4XQL03_s3n5dXuEnpxcYRM&e= >>and provide commented, minimal, self-contained, reproducible code. > >-- >Sent from my phone. Please excuse my brevity. > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://urldefense.proofpoint.com/v2/url?u=https-3A__stat.ethz.ch_mailman_listinfo_r-2Dhelp&d=DwICAg&c=sJ6xIWYx-zLMB3EPkvcnVg&r=9PEhQh2kVeAsRzsn7AkP-g&m=4GOIwQQ_5zpqVjTnLYhmyFiVnTjVbTaENrDP6E3yyYsFz0UsfGP3b8k4vIW5G8Od&s=miLGRDrHT2Mq-cL9E3qEBX6MDiNcxeNASJxGBFYRFRA&e= >PLEASE do read the posting guide >https://urldefense.proofpoint.com/v2/url?u=http-3A__www.R-2Dproject.org_posting-2Dguide.html&d=DwICAg&c=sJ6xIWYx-zLMB3EPkvcnVg&r=9PEhQh2kVeAsRzsn7AkP-g&m=4GOIwQQ_5zpqVjTnLYhmyFiVnTjVbTaENrDP6E3yyYsFz0UsfGP3b8k4vIW5G8Od&s=rwDSAcNw3na2O_NBsF6rl4XQL03_s3n5dXuEnpxcYRM&e= >and provide commented, minimal, self-contained, reproducible code. -- 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.