search for: geturiasynchronous

...details of the "components" involved. Having said this, I'm lacking the time at the moment to deeply dive into parallel computing and HTTP requests via RCurl and I hope you can help me out with one or two imminent issues of my crawler/scraper: Once a day, I'm running 'RCurl::getURIAsynchronous(x=URL.frontier.sub, multiHandle=my.multi.handle)' within an lapply()-construct in order to read chunks of deterministically composed URLs from a host. There are courtesy time delays implemented between the individual http requests (5 times the time the last request from this host took) so that...

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

...atex example > > getBitIndicators text html latex example > > Note: removing empty section \examples > > getCurlHandle text html latex > > getCurlInfo text html latex example > > getURIAsynchronous text html latex example > > Note: removing empty section \details > > getURL text html latex example > > merge.list text html latex example > > postForm te...

...atex example > > getBitIndicators text html latex example > > Note: removing empty section \examples > > getCurlHandle text html latex > > getCurlInfo text html latex example > > getURIAsynchronous text html latex example > > Note: removing empty section \details > > getURL text html latex example > > merge.list text html latex example > > postForm te...