Hi all,

Does anybody know of a way to install only a subset of an R package? An R
package that I've written contains a GUI part that depends on tcl/tk, and
some users would like to able to install the package on systems without
tcl/tk support. Since the package can be used fine without the GUI, I was
thinking that I could just remove the GUI part from the package and move it
into a separate add-on package. This would be fairly straightforward.
Alternatively, is there a way to offer an option that would allow the user
to decide at install time to not install the GUI part? All the functions for
the GUI are in a separate .R file; only one of the GUI functions is exported
in the NAMESPACE and is called at only one point in the remainder of the
package. Thanks,

Oliver

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