eval(substitute(getAnywhere(x), list(x=name)))
It's a standard (if advanced) code snippet from the ideas of 'computing on
the language'.
getAnywhere is written the way it is because it is intended for
interactive use, especially for frustrated users who can't find an object
that appears in e.g. a traceback().
On Tue, 14 Oct 2008, Bastian A. wrote:
Hi List,
I am trying to look up an object using getAnywhere, where the object I
am looking for is given by the _value_ of the variable I am looking
for. Since getAnywhere calls substitue on its argument it is looking
for an object with the name of the argument not its value. Is there a
way to work around this, or do I have to make my own getAnywhere
without the substitute?
This is an example to clarify things:
a <- 1
name = "a"
getAnywhere(name) # the intend here is to find the object a with value 1 not
the object name with value a
A single object matching 'name' was found
It was found in the following places
.GlobalEnv
with value
[1] "a" # I'd like to see a 1 here the value of a
Regards,
Bastian
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--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
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