Dear R experts,
I am new to the list and R software. I need to convert arcview file to Winbugs having R has middle package. Got from friends that it is possible following the steps:
1. Converting arcview shapefile to "cgm clear text file"
2. Downloading "convert.r" to into R
    2.1 use source("convert.r")
     2.2 convert("filename_cgm") without the extension.
But that doesn't work, given the following errors:
----------------------------
R : Copyright 2003, The R Development Core Team
Version 1.8.0  (2003-10-08)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for a HTML browser interface to help.
Type 'q()' to quit R.
[Previously saved workspace restored]
> source("convert.r")
> convert("transf")
Error in file(file, "r") : unable to open connection
In addition: Warning message: 
cannot open file `transf.cgm' 
> 
-----------------------------------
Have i done some mistakes?Or i am missing some files?
Please assist.
Rgs,
Orlando.



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