readLargeBlat | R Documentation |
Read a large blat file piece by piece
readLargeBlat( fileName, nHeader = 5, nrows = 1e+06, isGz = grepl(".gz$", fileName), filterFunc = function(x) rep(TRUE, nrow(x)), ... )
fileName |
name of file |
nHeader |
number of lines to skip at start of file |
nrows |
number of lines ot read in per shot |
isGz |
if TRUE then file is assumed to be gzipped |
filterFunc |
a function taking a data.frame of blat data and returning a TRUE/FALSE vector specifying rows to keep |
... |
additional arguments to read.blat |
data.frame of blat data
Assumes blat files is sorted by qName
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