[R] What is the fastest way to see what are in an RData file?

[Patrick Connolly]

On Thu, 17-Dec-2009 at 03:13PM +1800, Peng Yu wrote:

|> Currently, I load the RData file then ls() and str(). But loading the file
|> takes too long if the file is big. Most of the time, I only interested what
|> the variables are in the the file and the attributes of the variables (like
|> if it is a data.frame, matrix, what are the colnames/rownames, etc.)
|> 
|> I'm wondering if there is any facility in R to help me avoid loading the
|> whole file.


I have a pretty nifty way of seeing what's in such a file, but I still
have to load all of the binary file before I can do so.  If it's
taking you such a long time, maybe you could keep a larger number of
smaller RData files.


-- 
~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.   
   ___    Patrick Connolly   
 {~._.~}                   Great minds discuss ideas    
 _( Y )_  	         Average minds discuss events 
(:_~*~_:)                  Small minds discuss people  
 (_)-(_)  	                      ..... Eleanor Roosevelt
	  
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