[R] vector

[Mehdi Ghafariyan]

Dear all R users;
I have a large vector type data in the following
format :

2,3,21,
1,3,5,6,17,21,
1,2,6,33,34,
4,5,
2,4,6,7,16,17,26,
.
.
.

I use the following command to read it:

b<-scan("a:\\vectorB.txt",sep=",")

and I get 
[1]  2  3 21 NA  1  3  5  6 17 21 NA  1  2  6 33 34 NA
 4  5 NA  2  4  6  7 16
.
.
.
Is there a way to write the command so that it would
go to the next line when it reaches end of the line
instead of producing "NA"s . 

cheers 
Mehdi
 



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