[R] how to load only lines that start with a particular symbol

[J Chen]

Dear all,

I have DNA sequence data which are fasta-formatted as

>gene A;.....
AAAAACCCC
TTTTTGGGG
CCCTTTTTT
>gene B;....
CCCCCAAAA
GGGGGTTTT

I want to load only the lines that start with ">" where the annotation
information for the gene is contained. In principle, I can remove the
sequences before loading or after loading all the lines. I just wonder if
there's a way to load only lines with a particular pattern. The skip
argument in read.table() doesn't work for my purpose.

Thanks in advance,
Jimmy

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