Hi Swami, I know you can do this in Javascript, but you will have to enumerate through a JavaScript object to get all of the properties:
https://www.w3schools.com/jsref/prop_meta_content.asp Sent from my iPhone > On Jul 29, 2017, at 4:16 PM, Sannyasin Brahmanathaswami via use-livecode > <use-livecode@lists.runrev.com> wrote: > > given that > > a) trying to instantiate an XML tree from any given web page is likely to > fail 85% of the time because they simply are never built to that strict a > standard > > > and > > > b) you want to extract from the <head> of the document the openGraph tags > > <meta property="og:site_name" content="YouTube"> > <meta property="og:url" content="https://www.youtube.com/user/kauaiaadheenam";> > <meta property="og:title" content="Kauai's Hindu Monastery"> > <meta property="og:image" > content="https://yt3.ggpht.com/-p766LczvKHY/AAAAAAAAAAI/AAAAAAAAAAA/SIu6ZAJbMDc/s900-c-k-no-mo-rj-c0xffffff/photo.jpg";> > <meta property="og:description" content="{where hinduism meets the future}"> > > c) you also cannot depend on the output being line delimited, because some > CMS's delivery "agents" will minimize this to > > <meta property="og:site_name" content="YouTube"><meta property="og:url" > content="https://www.youtube.com/user/kauaiaadheenam";><meta > property="og:title" content="Kauai's Hindu Monastery"><meta > property="og:image" > content="https://yt3.ggpht.com/-p766LczvKHY/AAAAAAAAAAI/AAAAAAAAAAA/SIu6ZAJbMDc/s900-c-k-no-mo-rj-c0xffffff/photo.jpg";><meta > property="og:description" content="{where hinduism meets the future}"> > > Has anyone rolled up a parser/scraper for this? Looks like "idiot simple > text extraction" but I'm trying to wrap my head around how to extract the > name=value pairs, and not getting anything easy… these are space delimited, > but then we also have spaces inside quoted strings. Maybe easier target > "<meta (.*?)>" using regEx with matchText, get ALL the meta tags in the HEAD, > push to array then just check for if key contains "og:" then we have an > openGraph value. > > I'll sleep on this, but but before I wake up and write 50 lines to get this > done… I see the other thread on scraping pages generated by JS and suspect > perhaps some wizard among us already has this done…would save a bit of time > here. > > BR > > > > > _______________________________________________ > use-livecode mailing list > use-livecode@lists.runrev.com > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-livecode _______________________________________________ use-livecode mailing list use-livecode@lists.runrev.com Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-livecode
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