Thanks -- will look into it.
luke
On Fri, 1 Dec 2017, William Dunlap via R-devel wrote:
The following example involves a function whose on.exit()
expression both generates an error and catches the error.
The body of the function also generates an error.
When calling the function wrapped in a tryCatch, should
that tryCatch's error function be given the error from the
body of the function, since the one from the on.exit has
already been dealt with? Currently the outer tryCatch gets
the error from the on.exit expression.
xx <- function() {
on.exit(tryCatch(
expr = stop("error in xx's on.exit"),
error=function(e) {
cat("xx's on.exit caught error: <<", conditionMessage(e), ">>\n",
sep="")
}))
stop("error in body of xx")
}
zz <- tryCatch(xx(), error=function(e)paste("outer tryCatch caught error
<<", conditionMessage(e), ">>", sep=""))
#xx's on.exit caught error: <<error in xx's on.exit>>
zz
#[1] "outer tryCatch caught error <<error in xx's on.exit>>"
Bill Dunlap
TIBCO Software
wdunlap tibco.com
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--
Luke Tierney
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa Phone: 319-335-3386
Department of Statistics and Fax: 319-335-3017
Actuarial Science
241 Schaeffer Hall email: luke-tier...@uiowa.edu
Iowa City, IA 52242 WWW: http://www.stat.uiowa.edu
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