[Rd] file.choose (PR#2465)

[bert_gunter@merck.com]

R1.6.2 winnt.

file.choose() gives an error if the dialog is cancelled without choosing a
file. This can be easily dealt with via try(), but I would have thought that
a NULL or NA return would be the expected behavior.

Cheers,

Bert Gunter
Biometrics Research RY 84-16
Merck & Company
P.O. Box 2000
Rahway, NJ 07065-0900
Phone: (732) 594-7765
mailto: bert_gunter@merck.com

"The business of the statistician is to catalyze the scientific learning
process."      -- George E.P. Box




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