Having finally updated from R 1.91 to R 2.2.0 with my installation of a 
new computer, I discovered that something has changed drastically about 
the way code for contributed packages is stored when installed in a local 
version of R.  In the 1.* versions it was easy for me to go in and modify 
some of the code for a contributed package by using a text editor to 
change the script files (these were the files usually stored under the 
package name\R folder).  Now under R 2.2 when I look at the same location 
(package name\R folder) there are 3 files, one with no extension, one with 
.rdb extension, and one with a .rdx extension and none of these seem to be 
text files that can be easily edited (at least not as I did before).  Now 
I know I can edit a specific function after I've loaded a package into a 
specific workspace, but I would like to edit the contributed package so 
that anytime I load it the changes I've made are implemented.  While I'm 
not generally in the habit of modifying other peoples code, when I find a 
problem that I know how to fix, I'ld like to fix it - once.  I suspect I'm 
missing something pretty obvious about how to edit these but my search of 
the online documentation, etc. didn't suggest any simple approach like I 
use to do.  Any help would be welcome.

Brian

Brian S. Cade

U. S. Geological Survey
Fort Collins Science Center
2150 Centre Ave., Bldg. C
Fort Collins, CO  80526-8818

email:  brian_cade@usgs.gov
tel:  970 226-9326
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