[R] how to avoid newlines & tabs in file opening?

[sagarnikam123]

i have uploaded file,but when i am opening it in R,using

> u<-file(file.choose(),"r")
>k<-readLines(u)
>k
> k[1:120]

is has all /t (tabs)& newlines, how to avoid it,
can i take first 3 columns only in table form (lines starts with # not
important for me)

uploaded file:-
http://r.789695.n4.nabble.com/file/n4577757/rabata.txt rabata.txt 

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