On Apr 3, 2011, at 12:14 PM, Samuel Le wrote:
Dear all,
I would like to log the calls to my functions. I am trying to do
this using the function match.call():
fTest<-function(x)
{ theCall<-match.call()
print(theCall)
return(list(x=x, logf = theCall))
}
> fTest(x=2)$x
[1] 2
> fTest(x=2)$logf
fTest(x = 2)
> str(fTest(x=2)$logf)
language fTest(x = 2)
You may want to convert that call component to a character object,
since:
> cat(fTest(x=2)$logf)
Error in cat(list(...), file, sep, fill, labels, append) :
argument 1 (type 'language') cannot be handled by 'cat'
I can see "theCall" printed into the console, but I don't manage to
convert it into a character to write it into a log file with other
informations.
Can anyone help?
David Winsemius, MD
West Hartford, CT
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