[R] system.file(...) self-referencing the containing package

Murat Tasan mmuurr at gmail.com
Fri Dec 4 17:28:51 CET 2015

Perfect, thanks!

(Any idea if/where this is documented? I checked through the "Writing
R Extensions" doc and couldn't find any mention of it.)

Thanks much again,


On Thu, Dec 3, 2015 at 6:42 PM, William Dunlap <wdunlap at tibco.com> wrote:
> Every package has in it, after it is installed, a character object
> called ".packageName" containing its name.  It is not exported from
> the package.  Functions in your package can refer to it as just
> .packageName.
> Bill Dunlap
> TIBCO Software
> wdunlap tibco.com
> On Thu, Dec 3, 2015 at 5:28 PM, Murat Tasan <mmuurr at gmail.com> wrote:
>> In a package I'm writing, I'm placing all SQL code here:
>> /inst/sql/
>> And so when referring to these blocks of code from the package's R
>> code, I do something like so:
>> system.file("sql", "my_example_file.sql", package = "ThisPackage",
>> mustWork = TRUE)
>> But, referring to the package itself with the string "ThisPackage" is
>> annoying and somewhat brittle... if the package were ever to change
>> names (e.g. during development), I'll have to replace all such calls
>> with the new package name.
>> And generally referring to the package containing the code itself by
>> name seems inelegant.
>> Anyone know of a safe way to reference additional files in a package,
>> from within that package's code, that doesn't require specifying the
>> name of the package as a string?
>> Cheers,
>> -Murat
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