> Duncan Murdoch wrote:
>
>>
>> I'm curious about something: does "file extension" have a standard
>> definition? Most (all? I haven't tried them all) of the solutions
>> presented in this thread would return an empty string for the "plain
>> base" if given the filename ".bashrc".
>>
right; there's a straightforward fix to my solution that accounts for
cases such as '.bashrc':
names = c("foo.bar", ".zee")
sub("(.+)[.][^.]+$", "\\1", names)
you could also use a lookbehind if possible (not in r, afaik).
vQ
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