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Stderr
4 messages · Patricia García, Uwe Ligges
Patricia Garc?a wrote:
Hi everyone,
I need to get an error message as an object in the std output console. I can
get it as a file with the following instructions:
# Save error mesage:
error1 <- file("error1.txt", open="wt")
sink(error1, type="message")
experiment <- function(data)
With this, the error messages get saved in the file, but i need them as
object in order to work with it in the console.
I'm not sure what you are going to do, note that the last line contains an incomplete statement... If you want an object: you already have got the object error1 ... If you want error handling facilities, see ?try and its "See Also" section. Uwe Ligges
Is it possible? Thanks ------------------------------------------------------------------------
______________________________________________ R-help at 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.
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Patricia Garc?a wrote:
Hi,
sorry for the last sentence, i was trying to make a generic statement by
writing "function"
So the code has to be:
# Save error mesage:
error1 <- file("error1.txt", open="wt")
sink(error1, type="message")
experiment <- somefunction(data)
(I mean no matter what function is...)
So you want to implement error handling for function somefunction()?
error1 is not a variable, y can't watch what contains, it is only the definition of a file....
No, error1 is an *object* that contains information about the opened connection to the file.
What i wanted was in fact to create a variable with the error message, I can do it of course by reading the file, but my question is about doing it directly.
As I already said in my former mail, error handling is available, please read ?try. Uwe Ligges
Thanks 2008/4/10, Uwe Ligges <ligges at statistik.tu-dortmund.de>:
Patricia Garc?a wrote:
Hi everyone,
I need to get an error message as an object in the std output console. I
can
get it as a file with the following instructions:
# Save error mesage:
error1 <- file("error1.txt", open="wt")
sink(error1, type="message")
experiment <- function(data)
With this, the error messages get saved in the file, but i need them as
object in order to work with it in the console.
I'm not sure what you are going to do, note that the last line contains an incomplete statement... If you want an object: you already have got the object error1 ... If you want error handling facilities, see ?try and its "See Also" section. Uwe Ligges Is it possible?
Thanks ------------------------------------------------------------------------
______________________________________________ R-help at 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.