R help - Apr 2012 - problem in tk_choose.files

Dear list,

I can't use the choose.files for list the 2,000 files in directory.

# list files
>      names <- (tk_choose.files(default = "", caption =
"Select the files
",
+                multi = TRUE, filters = Filt,
+                index = 1))
>
>
> names
character(0)

# names is empty!!!!   ERROR

obs.: this ERROR occurred in the Windows. Already in MAC OS Lion, this
function (tk_choose.files) did not make this mistake.

Thanks

Julio

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