[R] How to read a long string of characters as a vector

[Sandra Romero]

Dear R users,

I would really appreciate some help, I have a plain
text file which contains info like

NANATGGGGGGGCCCAGCTTGAATTCCCNTCCCCNTTCCCATCCAGGCC

I would like to read it as a vector, for example,
(N,A,N,A,T,G,G,G,G,G,G,G,C,C,C,........)

I've tried commands such as read.table and scan but I
don't get what I want.

Thank you in advanced.

Sandra

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