Hi!
I've performed a Google Scholar Search using a query, let's say "Frank
Harrell", and parsed the links to the EndNote references from the resulting
HTML code. Now I'd like to download all the references automatically. For
this, I have tried to use RCurl, but I can't seem to get it working: I
always get error code "403 Forbidden" from the web server.
Initially I tried to do this without using cookies:
library(RCurl)
getURL("
http://scholar.google.fi/scholar.enw?q=info:U6Gfb4QPVFMJ:scholar.google.com/&output=citation&hl=fi&oe=ASCII&ct=citation&cd=0
")
or
getURLContent("
http://scholar.google.fi/scholar.enw?q=info:U6Gfb4QPVFMJ:scholar.google.com/&output=citation&hl=fi&oe=ASCII&ct=citation&cd=0
")
Error: Forbidden
and then with cookies:
getURL("
http://scholar.google.fi/scholar.enw?q=info:U6Gfb4QPVFMJ:scholar.google.com/&output=citation&hl=fi&oe=ASCII&ct=citation&cd=0";,
.opts=list(cookiejar="cookiejar.txt"))
But they both consistently fail the same way. What am I doing wrong?
sessionInfo()
R version 2.9.0 (2009-04-17)
i386-pc-mingw32
locale:
LC_COLLATE=Finnish_Finland.1252;LC_CTYPE=Finnish_Finland.1252;LC_MONETARY=Finnish_Finland.1252;LC_NUMERIC=C;LC_TIME=Finnish_Finland.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] RCurl_0.98-1 bitops_1.0-4.1
Thanks!
Jarno
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