[R] windows nt/access other directories/ attach/system

S.McClatchie s.mcclatchie at niwa.cri.nz
Fri Jun 1 01:27:58 CEST 2001


System info:
R version rw1022 on NT
ESS v. 5.1.18 using emacs ver. 20.4

As recommended, I keep separate directories for projects, but also use 
separate sub-directories for types of data (e.g. different oceanographic 
instruments) within projects. 

My problem is that I often need to access the objects and data (not 
stored as objects) in more than one directory.

I understand (mistakenly?) that at present you cannot use attach() with 
directories, just with objects and packages. Also I think 
system("command") is for the UNIX environment. System("cd ..") gives 
me an error under Windows NT. Obviously it is inconvenient to quit R and 
restart in the other directory, and messy to combine the "instrument sub-
directories" into a giant "project directory".

Do you have a suggestion of how to proceed, other than keeping my 
data as objects (I generally prefer to keep my data as text files so I can 
access them with Matlab when I need to).

Help will be appreciated.


Sam McClatchie, Research scientist (fisheries acoustics))))))))))
NIWA (National Institute of Water & Atmospheric Research Ltd)
PO Box 14 901, Kilbirnie, Wellington, New Zealand
s.mcclatchie at niwa.cri.nz 

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