[BioC] how to get the first hit in each sequence from vmatchPattern results

[wang peter]

dear ALL

   See the example,
result <- vmatchPattern(currentPattern, sread(currentReads),
max.mismatch= max.mismatchs, min.mismatch=0);
startIndex(result)
[[1]]		
[1] 1

[[2]]
[1] 1 [2] 2


if i want to get only the [1] element from the [[1]] and [[2]]

what can i do?

thx

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shan gao
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