If you have over a thousand files on your desktop, you have bigger problems than just how to load them into R. Where do these files come from, and why do you want to "merge" them into a single entity? -- View this message in context: http://r.789695.n4.nabble.com/merging-matrices-tp4678702p4678721.html Sent from the R help mailing list archive at Nabble.com.