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ogrinfo
2007 Jul 13
1
R and HTTP get 'has file changed'
Is there a way, maybe using Duncan TL's RCurl, to efficiently test whether
an URL such as
http://$CRAN/src/contrib/
has changed? I.e. one way is via a test of a page in that directory as per
(sorry about the long line, and this would be on Linux with links and awk
installed)
> strptime(system("links -width 160 -dump http://cran.r-project.org/src/contrib/ | awk