On 3/25/2006 11:30 AM, Martin Maechler wrote:
> Hi Duncan,
>
> I think all ESS users don't use history() because ESS calls R
> with "--no-readline" (Unix)
> or "--ess" (Windows & Cygwin)
>
> I'd wish that in that case, and probably also in BATCH mode,
> timestamp() should write the time stamp prefixed by "##" to the
> "R console" (to R's stdout); when people are using ESS properly, then
> rather than wanting a history, they save the R's buffer ("*R*") as
> "R transcript" (file typically ending with ".Rt" or ".Rout")
> and it makes much sense to have a time stampe entry in that file when
> others would want an entry in the history.
>
> BTW, after applying your patch, for me, compilation ends
> prematurely with
>
> gcc -I. -I../../src/include -I../../../R/src/include -I/usr/X11R6/include
> -I/usr/local/include -DHAVE_CONFIG_H -g -O3 -pedantic -Wall -Wno-comment
> -DDEBUG_q -Wcast-align -c ../../../R/src/unix/stubs.c -o stubs.o
> ../../../R/src/unix/stubs.c: In function `do_addhistory':
> ../../../R/src/unix/stubs.c:46: warning: implicit declaration of function
> `ptr_R_addhistory'
> ../../../R/src/unix/stubs.c:46: error: `rho' undeclared (first use in this
> function)
> ../../../R/src/unix/stubs.c:46: error: (Each undeclared identifier is
> reported only once
> ../../../R/src/unix/stubs.c:46: error: for each function it appears in.)
> ../../../R/src/unix/stubs.c:46: warning: return makes pointer from integer
> without a cast
> make[3]: *** [stubs.o] Error 1
Okay, this compile error is fixed. I've put a new version of the patch in
http://www.stats.uwo.ca/faculty/murdoch/software/timestamp.patch
I haven't addressed the ESS request above other than changing the
message prefix to start with ##; I don't know how to detect ESS from
within an R session.
Duncan Murdoch
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