[Rd] Decompressing raw vectors in memory

From: Hadley Wickham <hadley_at_rice.edu>
Date: Wed, 02 May 2012 13:24:21 +0000


Hi all,

I'm struggling to decompress a gzip'd raw vector in memory:

content <- readBin("http://httpbin.org/gzip", "raw", 1000)

memDecompress(content, type = "gzip")
# Error in memDecompress(content, type = "gzip") :
# internal error -3 in memDecompress(2)

I'm reasonably certain that the file is correctly compressed, because if I save it out to a file, I can read the uncompressed data:

tmp <- tempfile()
writeBin(content, tmp)
readLines(tmp)

So that suggests I'm using memDecompress incorrectly. Any hints?

Thanks!

Hadley

-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/

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Received on Wed 02 May 2012 - 13:27:55 GMT

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