You use connections -- see the 'R Data Import/Export Manual'.
Something like
con <- file("test1", "r")
while(length(a <- readLines(con, 1))) print(a)
close(con)
On Thu, 3 Jul 2008, Daren Tan wrote:
I tried the following, obviously it didn't work. Hope you get my point, how to
do it in R ? My objective is to read a large fasta file (but not storing the
entire data into memory) , and compute some sequence composition statistics.
while(a <- readLines("test1") != EOF) print(a)
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--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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