Could smb please help with try-catch encapsulating a function for
downloading. Let's say I have a character vector of symbols and want to
download each one and surround by try and catch to be safe
# get.hist.quote() is in library(tseries), but the question does not
depend on it, I could be sour
See ?tryCatch. /Henrik
On 2/12/07, Stephen Bond <[EMAIL PROTECTED]> wrote:
> Could smb please help with try-catch encapsulating a function for
> downloading. Let's say I have a character vector of symbols and want to
> download each one and surround by try and catch to be safe
>
> # get.hist.quote
Hi,
google "R tryCatch example" and you'll find:
http://www.maths.lth.se/help/R/ExceptionHandlingInR/
Hope this helps
Henrik
On 2/13/07, Stephen Bond <[EMAIL PROTECTED]> wrote:
> Henrik,
>
> I had looked at tryCatch before posting the question and asked the
> question because the help file w
Henrik,
thank you for the reference. Can you please tell me why the following
does not work?
vec=c("hdfhjfd","jdhfhjfg")# non-existent file names
catch=function(vec){
tryCatch({
ans =NULL;err=NULL;
for (i in vec) {
source(i)
ans=c(ans,i)
}
},
interrupt=function(
Put the for loop outside the tryCatch(). /H
On 2/13/07, Stephen Bond <[EMAIL PROTECTED]> wrote:
> Henrik,
>
> thank you for the reference. Can you please tell me why the following
> does not work?
>
> vec=c("hdfhjfd","jdhfhjfg")# non-existent file names
> catch=function(vec){
> tryCatch({
>
To be more precise, put the tryCatch() only around the code causing
the problem, i.e. around source(). /H
On 2/13/07, Henrik Bengtsson <[EMAIL PROTECTED]> wrote:
> Put the for loop outside the tryCatch(). /H
>
> On 2/13/07, Stephen Bond <[EMAIL PROTECTED]> wrote:
> > Henrik,
> >
> > thank you for
Henrik,
Please, stay with me.
there is a problem with the way tryCatch processes statements and that
is exactly what the help file does not describe at all. I am trying
catch=function(vec){
ans=NULL;err=NULL;
for (i in vec) {
tryCatch({
source(i);
ans=c(
Note that the error catch is calling your locally defined function.
Like anywhere in R, if you assign something to a variable inside a
function, it only applies there and not "outside". The quick a dirty
fix is to do:
err <<- c(err, er)
/H
On 2/15/07, Stephen Bond <[EMAIL PROTECTED]> wrote:
>
