[Rd] Limitation of dirname() and basename()

[cstrato]

Dear all,

I have already twice encountered a case which I consider a limitation of
dirname() and basename().

In my functions I have a parameter "outfile" which e.g. tells where a file
should be stored. Usually "outfile" is of the form:
oufile = "/my/path/myname.txt"

 > outfile <- "/my/path/myname.txt"
 > dirname(outfile)
[1] "/my/path"
 > basename(outfile)
[1] "myname.txt"

However, in addition I want to be able to define the path only, while
creating the name "myname.txt" automatically.
Sorrowly, I get the following:

 > outfile <- "/my/path/"
 > dirname(outfile)
[1] "/my"
 > basename(outfile)
[1] "path"

It would be great if dirname() and basename() could recognize:
dirname("/my/path/")      = /my/path/
basename(""/my/path/")  = ""
i.e. they should be able to recognize a trailing "/".

Best regards
Christian
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