Oh, that's perfect. I can just use one of the apply functions to run that
each url and then extract the methods that I need.
Thanks!
On Thu, Mar 6, 2014 at 11:52 AM, Ben Tupper <ben.bigh...@gmail.com> wrote:
> Hi,
>
> The XML package has a nice function, parseURI(), that nicely slice and
> dices the url.
>
> library(XML)
> parseURI('http://www.mdd.com/food/pizza/index.html')
>
> Might that help?
>
> Cheers,
> Ben
>
> On Mar 6, 2014, at 12:23 PM, Abraham Mathew <abmathe...@gmail.com> wrote:
>
> > Let's say that I have the following character vector with a series of url
> > strings. I'm interested in extracting some information from each string.
> >
> > url = c("http://www.mdd.com/food/pizza/index.html";, "
> > http://www.mdd.com/build-your-own/index.html";,
> > "http://www.mdd.com/special-deals.html";, "
> > http://www.genius.com/find-a-location.html";,
> > "http://www.google.com/hello.html";)
> >
> > - First, I want to extract the domain name followed by .com. After
> > struggling with this for a while, reading some regular expression
> > tutorials, and reading through stack overflow, I came up with the
> following
> > solution. Perfect!
> >
> >> parser <- function(x) gsub("www\\.", "", sapply(strsplit(gsub("http://
> ",
> > "", x), "/"), "[[", 1))
> >> parser(url)
> > [1] "mdd.com" "mdd.com" "mdd.com" "genius.com" "google.com"
> >
> > - Second, I want to extract everything after .com in the original url.
> > Unfortunately, I don't know the proper regular expression to assign in
> > order to get the desired result. Can anyone help.
> >
> > Output should be
> > /food/pizza/index.html
> > build-your-own/index.html
> > /special-deals.html
> >
> > If anyone has a solution using the stringr package, that'd be of interest
> > also.
> >
> >
> > Thanks.
> >
> > --
> >
> > *Abraham Mathew**Analytics Strategist*
> > *Minneapolis, MN*
> > *720-648-0108*
> >
> > *abmathe...@gmail.com <abmathe...@gmail.com>*
> > *Twitter <https://twitter.com/abmathewks> **LinkedIn
> > <http://www.linkedin.com/pub/abraham-mathew/29/21b/212/> **Blog
> > <https://mathewanalytics.wordpress.com/> **Tumblr
> > <http://iwearstyle.tumblr.com/> Pinterest
> > <http://pinterest.com/amathew123/>*
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> > and provide commented, minimal, self-contained, reproducible code.
>
>
--
*Abraham Mathew**Analytics Strategist*
*Minneapolis, MN*
*720-648-0108*
*abmathe...@gmail.com <abmathe...@gmail.com>*
*Twitter <https://twitter.com/abmathewks> **LinkedIn
<http://www.linkedin.com/pub/abraham-mathew/29/21b/212/> **Blog
<https://mathewanalytics.wordpress.com/> **Tumblr
<http://iwearstyle.tumblr.com/> Pinterest
<http://pinterest.com/amathew123/>*
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