try-error in batch and interactive mode (PR#1934)

ripley@stats.ox.ac.uk
Sun, 25 Aug 2002 09:20:39 -0000

Note that

R --restore --save --no-readline --gui=none -q < z.R > z.Rout

works for me (in tcsh or sh).  That should give you a workaround.

On Fri, 23 Aug 2002 jyan@stat.wisc.edu wrote:

> I have a tiny R script performing two tasks, the first one of which may
> contain error.
>
> mammon(12)% cat z.R
> version
> options(show.error.messages = FALSE)
> try(b <- log("foo"))  ## task 1
> 1 + 2                 ## task 2
>
> Running in batch mode from a solaries machine, the second task never got
> started; see below:
>
> mammon(13)% R BATCH --vanilla -q z.R
> mammon(14)% cat z.Rout
> > invisible(options(echo = TRUE))
> > version
>          _
> platform sparc-sun-solaris2.8
> arch     sparc
> os       solaris2.8
> system   sparc, solaris2.8
> status
> major    1
> minor    5.1
> year     2002
> month    06
> day      17
> language R
> > options(show.error.messages = FALSE)
> > try(b <- log("foo"))
> >
>
> The second task does start if run on a linux machine.
>
> ludwig(22)% cat z.Rout
> > invisible(options(echo = TRUE))
> > version
>          _
> platform i686-pc-linux-gnu
> arch     i686
> os       linux-gnu
> system   i686, linux-gnu
> status
> major    1
> minor    5.1
> year     2002
> month    06
> day      17
> language R
> > options(show.error.messages = FALSE)
> > try(b <- log("foo"))
> > 1 + 2
> [1] 3
> > proc.time()
> [1] 0.87 0.07 0.90 0.00 0.00
> >
>
> The same code works well if pasted into an interactive R window on both
> system, of course.
>
> Jun Yan
>
> Department of Statistics          Office: CSSC 4252
> university of Wisconsin-Madison   Tel: (608)262-7478
> 1210 W. Dayton St.                Email: jyan@stat.wisc.edu
> Madison, WI 53706                 URL: http://www.stat.wisc.edu/~jyan
>
>
>
>
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--
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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