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finfo
2010 Nov 10
1
ff objects saving problem
...m(x,y,z)
> cat("save some of them with shorter relative pathnames ...\n")
save some of them with shorter relative pathnames ...
> ffsave(a, b, file="d:/tmp/y", rootpath="d:/tmp")
Error in system(cmd, input = list, intern = TRUE) : 'zip' not found
> str(ffinfo("d:/tmp/y"))
Error in system(cmd, intern = TRUE) : 'unzip' not found
Does it mean I have to install some special softwares for zip and unzip operation.
Another question is whether ff always create physical files for vectors, I found when a ff ffdf object is created, the number...