[ESS] Why can't I load attached R file?

[Martin Maechler]

>>>>> "HeinzT" == Heinz Tuechler <tuechler at gmx.at>
>>>>>     on Fri, 16 Jul 2010 07:45:44 +0100 writes:

    HeinzT> The same problem for me with Emacs 21.3.1 and ESS 5.3.3

thank you for the confirmation.

"Of course" -- in hindsight --

As you've found,
o  it only happens if you forget the final "\n" in your print
   statements.
   And yes, it has been known that you can confuse ESS
   (and other simple [G]UI's as well, IIRC) to some extent
   if you produce output not ending in a new line 

o  the *hang*ing only happens with the "!" ending.

   I don't have time now, but "of course" this must be related
   to our magic handling of  "!" (in the old Unix and S tradition)
   for command recall.

I agree that this is a bug we (ESS core) must address...
(but not before 'useR!' next week).

Martin

    HeinzT> At 15.07.2010 12:01 +0200, Rainer M Krug wrote:
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    >> On 15/07/2010 11:53, Stephen Eglen wrote:
    >> >>
    >> >> Debugger entered--Lisp error: (quit)
    >> >>   accept-process-output(#<process R> 0 500)
    >> >>   ess-prompt-wait(#<process R> nil nil)
    >> >>   ess-command("source(\"/home/rkrug/tmp/R.att.R\")\n" #<buffer
    >> >> *ESS-errors*>)
    >> >>   ess-load-file("/home/rkrug/tmp/R.att.R")
    >> >>   call-interactively(ess-load-file nil nil)
    >> >
    >> > Thanks, sorry - my mistake, I thought you meant 'load' as in visit the
    >> > file, but you (rightly) meant ess-load-file.  Yes, I see the error that
    >> > you do.  Is it anything to do with missing \n from the cat statement?
    >> > Probably the code that looks for the prompt is getting confused.
    >> >
    >> > i.e this works
    >> >
    >> >   cat("Done!!!")
    >> >   cat("\n")
    >> 
    >> Yup - that is the problem.
    >> 
    >> But the problem is the "!". If I have
    >> 
    >> cat("Done")
    >> 
    >> and ess-load-file the fie, it works.
    >> 
    >> Can somebody confirm that behaviour, or is it strangely only on my computer?
    >> 
    >> Versions:
    >> 
    >> Ess 5.11
    >> GNU Emacs 23.2.1 (i686-pc-linux-gnu, GTK+ Version 2.20.1)
    >> 
    >> Rainer
    >> 
    >> >
    >> >
    >> > Stephen
    >> 
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    HeinzT> ______________________________________________
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