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args<-commandArgs(TRUE)
options(digits=22)
library("Matrix")
library("caret")

X = as.matrix(readMM(paste(args[1], "A.mtx", sep="")))
colnames(X) = colnames(X, do.NULL=FALSE, prefix="C") 
Y1 = preProcess(X, method="range");
Y2 = predict(Y1, X);	
writeMM(as(Y2, "CsparseMatrix"), paste(args[2], "B", sep=""));