[R] different file types

Spencer Graves spencer.graves at pdf.com
Tue Mar 11 22:02:56 CET 2003

The command "'source' causes R to accept its input from the named file".

I don't know what you mean by "associative arrays", but "`switch' 
evaluates `EXPR' and accordingly chooses one of the further arguments".

Hope this helps.
Spencer Graves

janet rosenbaum wrote:
> Hi.  I am writing a program to read in different types of files from a
> GUI.  While it's easy to read different types of text files, I am
> stymied how to make R execute the input.  
> Ideally I could get the command from input and dereference it like
> 	`command`(filename)
> where command would be read.dta or read.table or read.xport or any of 
> the similar commands.
> Also, is there a way to make associative arrays?  
> It would be nice to be able to get the format from input and then have
> 	command<-array[format]
> Otherwise, I guess I'll just do cascading if's.
> Thanks,
> Janet Rosenbaum					  jerosenb at fas.harvard.edu
> Center for Basic Research in the Social Sciences, Harvard University
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