Re: [WebDNA] Middle Question

This WebDNA talk-list message is from

2015


It keeps the original formatting.
numero = 112034
interpreted = N
texte = It seems to me this can be done with [regex]. Wait for 8.0.3 - chris > On 23 Jan 2015, at 19:29, David Bastedo wrote: >=20 > Thanks Ken & Tom, >=20 > as soon as I understood what Ken was saying, I knew what I want to do = is impossible >=20 > I literally want to pluck open graph or other meta data off of a page, = no matter where it is by just using its tag and an end point. >=20 > If I know what tags I am looking for explicitly - I could put them in = a table and loop through looking for whatever I wanted, then I could = define the end - working "forward" from the opening of the tag "og: = title" for example, and end at the close of the tag "/" and be able to = pull out dynamically any meta tag I could possibly think of.... or want. >=20 > That would be pretty straight forward and very powerful. > I can accomplish this task by creating a one off relationship between = a page and its tags - say for twitter - its an easy way to grab an image = - but its not dynamic I want to do this for any type of page. >=20 > d. >=20 > On Fri, Jan 23, 2015 at 7:35 AM, Tom Duke = wrote: > David, >=20 > Hi - you won't be able to achieve what you are trying to do with = [middle]. You might be able to hack something together using [grep] or = [listwords]. Though Stackoverflow is full of articles outlining why = regex should not be used to parse HTML. = (http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-x= html-self-contained-tags/1732454#1732454) >=20 > Your example shows why a proper HTML parser within WebDNA would be = really useful. For example if you paste your code into this page: >=20 > http://try.jsoup.org >=20 > and type "meta" into the CSS Query box you'll see how a HTML parser = does the job. >=20 > - Tom >=20 >=20 >=20 >=20 >=20 >=20 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > Digital Revolutionaries > 1st Floor, Castleriver House > 14-15 Parliament Street > Temple Bar,Dublin 2 > Ireland > ---------------------------------------------- > [t]: + 353 1 4403907 > [e]: > [w]: > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >=20 > On 23 January 2015 at 00:11, David Bastedo wrote: > To your point, I never switched out your test variable properly=20 > To my point, I hate when you are right. > I get the same results. >=20 > However, as opposed to blaming me for not understanding how the = friggin thing works, the docs aren't very clear and after seeing your = example I now understand "backwards" for the reality that it is. >=20 > There is no hope in hell of doing what I want with middle. >=20 > Your first example is not as good as your second example to illustrate = the concept. Thank you for taking the time with the second example, it = illustrate backwards much more effectively. >=20 > d. >=20 >=20 > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug Reporting: = support@webdna.us >=20 > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug Reporting: = support@webdna.us >=20 >=20 >=20 > --=20 > David Bastedo > Ten Plus One Communications Inc. > http://www.10plus1.com > 416.277.4499 >=20 > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug Reporting: = support@webdna.us Associated Messages, from the most recent to the oldest:

    
  1. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  2. Re: [WebDNA] Middle Question (christophe.billiottet@webdna.us 2015)
  3. Re: [WebDNA] Middle Question (David Bastedo 2015)
  4. Re: [WebDNA] Middle Question (Tom Duke 2015)
  5. Re: [WebDNA] Middle Question (christophe.billiottet@webdna.us 2015)
  6. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  7. Re: [WebDNA] Middle Question (David Bastedo 2015)
  8. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  9. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  10. Re: [WebDNA] Middle Question (David Bastedo 2015)
  11. Re: [WebDNA] Middle Question (Terry Wilson 2015)
  12. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  13. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  14. Re: [WebDNA] Middle Question (David Bastedo 2015)
  15. Re: [WebDNA] Middle Question (David Bastedo 2015)
  16. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  17. Re: [WebDNA] Middle Question (Terry Wilson 2015)
  18. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  19. Re: [WebDNA] Middle Question (Chris 2015)
  20. Re: [WebDNA] Middle Question (Chris 2015)
  21. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  22. Re: [WebDNA] Middle Question (Steve Craig 2015)
  23. Re: [WebDNA] Middle Question (David Bastedo 2015)
  24. Re: [WebDNA] Middle Question (Kenneth Grome 2015)
  25. [WebDNA] Middle Question (David Bastedo 2015)
It seems to me this can be done with [regex]. Wait for 8.0.3 - chris > On 23 Jan 2015, at 19:29, David Bastedo wrote: >=20 > Thanks Ken & Tom, >=20 > as soon as I understood what Ken was saying, I knew what I want to do = is impossible >=20 > I literally want to pluck open graph or other meta data off of a page, = no matter where it is by just using its tag and an end point. >=20 > If I know what tags I am looking for explicitly - I could put them in = a table and loop through looking for whatever I wanted, then I could = define the end - working "forward" from the opening of the tag "og: = title" for example, and end at the close of the tag "/" and be able to = pull out dynamically any meta tag I could possibly think of.... or want. >=20 > That would be pretty straight forward and very powerful. > I can accomplish this task by creating a one off relationship between = a page and its tags - say for twitter - its an easy way to grab an image = - but its not dynamic I want to do this for any type of page. >=20 > d. >=20 > On Fri, Jan 23, 2015 at 7:35 AM, Tom Duke = wrote: > David, >=20 > Hi - you won't be able to achieve what you are trying to do with = [middle]. You might be able to hack something together using [grep] or = [listwords]. Though Stackoverflow is full of articles outlining why = regex should not be used to parse HTML. = (http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-x= html-self-contained-tags/1732454#1732454) >=20 > Your example shows why a proper HTML parser within WebDNA would be = really useful. For example if you paste your code into this page: >=20 > http://try.jsoup.org >=20 > and type "meta" into the CSS Query box you'll see how a HTML parser = does the job. >=20 > - Tom >=20 >=20 >=20 >=20 >=20 >=20 > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > Digital Revolutionaries > 1st Floor, Castleriver House > 14-15 Parliament Street > Temple Bar,Dublin 2 > Ireland > ---------------------------------------------- > [t]: + 353 1 4403907 > [e]: > [w]: > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >=20 > On 23 January 2015 at 00:11, David Bastedo wrote: > To your point, I never switched out your test variable properly=20 > To my point, I hate when you are right. > I get the same results. >=20 > However, as opposed to blaming me for not understanding how the = friggin thing works, the docs aren't very clear and after seeing your = example I now understand "backwards" for the reality that it is. >=20 > There is no hope in hell of doing what I want with middle. >=20 > Your first example is not as good as your second example to illustrate = the concept. Thank you for taking the time with the second example, it = illustrate backwards much more effectively. >=20 > d. >=20 >=20 > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug Reporting: = support@webdna.us >=20 > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug Reporting: = support@webdna.us >=20 >=20 >=20 > --=20 > David Bastedo > Ten Plus One Communications Inc. > http://www.10plus1.com > 416.277.4499 >=20 > --------------------------------------------------------- This message = is sent to you because you are subscribed to the mailing list . To = unsubscribe, E-mail to: archives: = http://mail.webdna.us/list/talk@webdna.us Bug Reporting: = support@webdna.us christophe.billiottet@webdna.us

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