Is source() the right place for this?  It may be, but we've had customers
who would like
this sort of thing done for commands entered by hand.  And there are those
who want
a description of any "non-triivial" objects created in .GlobalEnv by each
expression, ...
Do they need a way to wrap each expression evaluated in envir=.GlobalEnv
with a
function of their choice, one that would print times, datasets created,
etc.?

Bill Dunlap
TIBCO Software
wdunlap tibco.com

On Thu, Dec 21, 2017 at 3:46 AM, Juan Telleria <jteller...@gmail.com> wrote:

> Dear R Developers,
>
> Adding to source() base function a Timer which indicates the execution time
> of the source code would be a very well welcome feature, and in my opinion
> not difficult to implement as an additional funtion argument.
>
> The source(timing = TRUE) function shall execute internally the following
> code for each statement:
>
> old <- Sys.time() # get start time at the beginning of source()
> # source code
> # print elapsed time
> new <- Sys.time() - old # calculate difference
> print(new) # print in nice format
>
> Thank you.
>
> Kind regards,
>
> Juan Telleria
>
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>
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