On Sep 14, 2009, at 6:25 PM, Santosh wrote:
Dear R'sians..
I apologize if this topic has been beaten to death and hope that
hawks don't
pounce on me!
Could you please suggest an efficient way to filter rows from 500+
text
files (some with 30000+ rows with multiple section table headers)
residing
in several folders? I guess probably "scan" is the fastest way to
scan a
file, but, I noticed it sometimes takes a long time when reading
large text
files.
scan would attempt to parse the files while you could create a long
character vector composed of entire lines with readLines.
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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