Marius -
   Do you get the behaviour you want if you substitute

    if(i == 5){cat('i==5\n');quit(save='n')}

for the line with the call to stop?


                                        - Phil Spector
                                         Statistical Computing Facility
                                         Department of Statistics
                                         UC Berkeley
                                         spec...@stat.berkeley.edu


On Sat, 15 Jan 2011, Marius Hofert wrote:

Dear expeRts,

is there a neat way to *completely* stop a script after an error occured?
For example, consider the following script:

## ==== file.R ====

for(i in 1:10){
        print(i)
        if(i == 5) stop("i == 5")
}
for(i in 11:100) print(i)

## ================

stop() behaves like it should namely to stop the execution of the *current*
expression, but I was wondering if it is possible to *really* stop the script 
after
the first for loop [so without executing the second for loop or anything after 
that
point]. Of course one could use something like "if(there was an error) do not 
continue"
but that's not really nice.

Cheers,

Marius
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