On 09/02/2009 6:27 PM, Fuchs Ira wrote:
a=function() {
print("start")
print(Sys.time())
Sys.sleep(5)
print(Sys.time())
print("end") }
a()
results in:
[1] "start"
[1] "2009-02-09 18:25:41 EST"
[1] "2009-02-09 18:25:46 EST"
[1] "end"
all printed together after 5 seconds.
The reason for this mysterious difference is presumably that you are not
using the same front-end as Rolf, or maybe not the same version as him,
or maybe you have the buffering set differently.
sessionInfo() would remove some of the mystery, but I don't think it
says which Mac front end you're using. We should fix that. (It's not
just a Mac deficiency, Windows has the same omission.)
Duncan Murdoch
On Feb 9, 2009, at 6:21 PM, Rolf Turner wrote:
On 10/02/2009, at 12:09 PM, Fuchs Ira wrote:
Yes, Windows has that in the Misc menu, but I don't see a way to do
this on the Mac.
In my experience output is not buffered on a Mac.
Are you actually *printing* out the results you want to see?
Could you, as the posting guide requests, provide a minimal
self-contained example?
cheers,
Rolf Turner
On Feb 9, 2009, at 5:51 PM, Duncan Murdoch wrote:
On 09/02/2009 5:07 PM, Fuchs Ira wrote:
I would like to have a function which gets data, does a
calculation and prints a result and then waits some number of
seconds and repeats. If I use Sys.sleep, the execution is
pausing
but the function output is buffered so that it all comes out when
the function terminates. How can I get output while the function
continues to execute?
Turn off buffering. In Windows, this is a menu item. Presumably
it's possible on whatever platform you're using.
Duncan Murdoch
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