[R] Help with importing scripts within the same package?

[Jeff Newmiller]

Use a separate R file that is not part of your package that includes any or all of the R files from your package using full directory path specifications for debugging. The package is for (mostly) debugged code.
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Sent from my phone. Please excuse my brevity.

Charlie Xia <li.xia at stanford.edu> wrote:
>Ah.. I see your point. That's interesting. Thanks a lot!
>
>But still kind of annoying for debugging, as you still need to source
>the
>code from the other file. Then you need to disable that part when you
>install. Need to figure out an elegant way for switching?
>
>
>On Thu, Jan 23, 2014 at 8:08 PM, Jeff Newmiller
><jdnewmil at dcn.davis.ca.us>wrote:
>
>> You keep talking about "including" and "sourcing" and now
>"dependencies".
>> Stop that. Don't do it, don't think that. All functions in all R
>files of a
>> package are loaded together in one namespace. Your separation of
>functions
>> between R files in the package source is entirely for your editing
>> convenience. Dependencies only apply between packages, not within
>them.
>>
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>> Jeff Newmiller                        The     .....       .....  Go
>Live...
>> DCN:<jdnewmil at dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live
>> Go...
>>                                       Live:   OO#.. Dead: OO#.. 
>Playing
>> Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
>> /Software/Embedded Controllers)               .OO#.       .OO#. 
>rocks...1k
>>
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>> Sent from my phone. Please excuse my brevity.
>>
>> Charlie Xia <li.xia at stanford.edu> wrote:
>> >Hi Duncan,
>> >
>> >Thanks for replying. I may need to clarify.
>> >
>> >What I want is something that can let one R file in a package aware
>of
>> >another R file in the same package. It does happen a lot in real
>life,
>> >for
>> >example for organizing the functions into separate files, or just
>> >because
>> >you need to include a third party provided R file containing
>functions.
>> >
>> >Something alike in C you can include a file and within the same
>> >directory
>> >by double quote and call its functions. Just wonder how R is
>handling
>> >this
>> >type of include so that the included function will work even after
>the
>> >package is deployed.
>> >
>> >load the package itself will cause cyclic load error. direct source
>the
>> >R
>> >file will cause complain of file not found after installation.
>> >
>> >Thanks
>> >
>> >
>> >On Thu, Jan 23, 2014 at 6:08 PM, Duncan Murdoch
>> ><murdoch.duncan at gmail.com>wrote:
>> >
>> >> On 14-01-23 7:54 PM, Charlie Xia wrote:
>> >>
>> >>> Hi all,
>> >>>
>> >>> I have a very quick question yet found no answers with google.
>> >>> Say you when you are writing a package and have R/A.r and R/B.r,
>if
>> >you
>> >>> want to load B.r in A.r, is there an obvious way to do so?
>> >>>
>> >>
>> >> That question doesn't make sense.  You should think of package
>code
>> >as all
>> >> being executed when the package is installed.  (There are some
>> >exceptions
>> >> to this, e.g. functions that are called when the package is
>loaded.)
>> >>
>> >> The user may choose to call some of your functions, and they may
>call
>> >> others, but it's not a good idea to think of the source for them
>as
>> >scripts.
>> >>
>> >> Duncan Murdoch
>> >>
>> >
>> >       [[alternative HTML version deleted]]
>> >
>> >______________________________________________
>> >R-help at r-project.org mailing list
>> >https://stat.ethz.ch/mailman/listinfo/r-help
>> >PLEASE do read the posting guide
>> >http://www.R-project.org/posting-guide.html
>> >and provide commented, minimal, self-contained, reproducible code.
>>
>>