R version 2.9.0 (2009-04-17)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> fls<-system(paste("ls -r .RData","*",sep=""),intern=TRUE,ignore.stderr=TRUE)
> #fls<-".RData2004x08x01x00x45.93Nx090.27Wx00396"
> for (j in 1:length(fls)) {
+   filename<-fls[j]
+   attach(filename)
+   xname<-substring(filename,7,nchar(filename))
+   dat<-get(xname,pos=2)
+   write.table(dat,file=paste(xname,".txt",sep=""),col.names=TRUE,row.names=FALSE,sep=" ",append=FALSE)
+   detach(2)
+ }
> q()
> proc.time()
    user   system  elapsed 
8716.848   62.252 9082.701