[R] Possible to get a definition of a function from a package to use without invoking the package?

Gabor Grothendieck ggrothendieck at gmail.com
Tue Jun 27 21:12:18 CEST 2006

You can use


instead of mod, e.g.

   12 %% 5

see ?"%%"

You can use

   unlist(gregexpr(pat, string, fixed = TRUE))

instead of instring(pat, string).  If you just want the first
occurrence use regexpr instead of gregexpr.

On 6/27/06, Waichler, Scott R <Scott.Waichler at pnl.gov> wrote:
> Hi,
> I often use the mod() and instring() functions that are available in the
> clim.pact package.  This package has a lot of dependencies, including
> installation of netCDF, and I haven't yet been able to get
> library(clim.pact) to work on a Mac OS 10.4.6.  A previous request for
> help with the Mac problem yielded no results, so now I wonder if I could
> just extract the definitions for the couple of functions that I need and
> save them in my own file of R functions.  I'm pretty sure that mod() and
> instring() are very basic and don't have any exotic dependencies.  I did
> find an alternative mod() in the new matlab package, and that's fine.
> Now I just need another way to get the instring() functionality.
> Thanks,
> Scott Waichler
> Pacific Northwest National Laboratory
> scott.waichler _at_ pnl.gov
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