On 04/12/2012 12:54 PM, David Romano wrote:
Hi everyone,
I normally include a call to browser() as I'm working out the kinks in my
scripts, and I am always able to step through each line by hitting
"Return", but for some reason, in the scripts I'm working on now, hitting
"Return" seems to cause execution of *all* the lines in my script. I've
restarted R several times in case it was stuck in a bad state for some
reason, but I'm consistently getting this behavior anyway. Has anyone run
into this problem before? Maybe I inadvertently reset preferences?
I wouldn't have expected that to work. Calling browser() from within a
function will let you step through the function, but calling it from
within a script doesn't. Do you really have some scripts where this worked?
Duncan Murdoch
An example which produces this behavior is the following:
file bugcheck.r:
browser()
a <- 1
b <- 2
> source("bugcheck.r")
Called from: eval(expr, envir, enclos)
Browse[1]> <Return>
>
> ls()
[1] "a" "b"
> a
[1] 1
> b
[1] 2
I'd be grateful for any help in resolving this!
Thanks,
David Romano
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and provide commented, minimal, self-contained, reproducible code.
