[R] tracing a warning message?

[Ben Bolker]

  Something like

cd /usr/local/lib/R/library
find . -path "./*/R/*" | xargs grep _ | egrep -v  \
"^[^_]*#.*_.*|[\"\'].*_.*[\"\']" | more

works for me on Linux; this finds all the files in the R directories of 
your installed libraries (provided they're located where I have them), 
searches for instances of _, and weeds out lines where _ occurs after # or 
between quotes (I know there are some patterns this will miss, such as 

a _ "_" 

but this should be good for a first pass)

  Ben Bolker


On Tue, 22 Oct 2002, RenE J.V. Bertin wrote:

> Is there an equivalent to traceback() for tracing a warning message?
> Since upgrading to 1.6.0, I get a message, at startup, that "the use of
> _ is deprecated". I've never used this operator in any of the functions
> I wrote, so some library must use it.
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