[R] alternative to stop()?
Robert Gentleman
rgentlem at stat.auckland.ac.nz
Wed May 17 21:11:50 CEST 2000
On Wed, May 17, 2000 at 11:37:21AM -0700, Griffith Feeney wrote:
> I'm using stop to exit functions when certain arguments are specified and
> would like to suppress the "Error in ..." that is printed to the console
> before the message given as the argument to stop(). Is there some
> alternative to stop that will allow this?
>
There are a variety of ways to do this,
from the options help:
error: an expression governing the handling of non-catastrophic
errors such as those generated by `stop' as well as by
signals and internally detected errors. The default
expression is `NULL': see `stop' for the behaviour in that
case. The function `dump.frames' provides one alternative
that allows post-mortem debugging.
show.error.messages: a logical. Should error messages be printed?
Intended for use with `try' or a user-installed error
handler.
warn: sets the handling of warning messages. If `warn' is negative
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