[babel] ob-web

[babel] ob-web

[Sébastien Vauban]

Hi Eric, Dan & Co,

A dream here: would we have an ob-web package, we could have easy block codes
for fetching some info from Web pages, possibly by giving as parameters 2
delimiters (strings or regexps), and re-arranging it into tables when it fits.

Use cases: statistics from Google Analytics, prices for flights, etc.

A potentiel show-stopper is, I guess, the fact that some (more and more) pages
are accessible via HTTPS, like the Google Analytics ones.

Is all of this do-able somehow: already, nearly, could be or never ever?

Best regards,
  Seb

-- 
Sébastien Vauban


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Re: [babel] ob-web

[Erik Iverson]

Sebastien,

This is probably pretty simple to do with a number of org-mode
supported languages.  Since I know R best, I can recommend the
RCurl package (http://www.omegahat.org/RCurl/) for doing exactly
as you describe.

I'll look into an R implementation of this when I get some
time over break in the next couple weeks.

There are doubtless other solutions!

--Erik

Sébastien Vauban wrote:
> Hi Eric, Dan & Co,
> 
> A dream here: would we have an ob-web package, we could have easy block codes
> for fetching some info from Web pages, possibly by giving as parameters 2
> delimiters (strings or regexps), and re-arranging it into tables when it fits.
> 
> Use cases: statistics from Google Analytics, prices for flights, etc.
> 
> A potentiel show-stopper is, I guess, the fact that some (more and more) pages
> are accessible via HTTPS, like the Google Analytics ones.
> 
> Is all of this do-able somehow: already, nearly, could be or never ever?
> 
> Best regards,
>   Seb
> 

Re: [babel] ob-web

[Srinivas]

I don't know if anyone in this community has heard of REBOL (http://
www.rebol.com). 

REBOL seems ideally suited for such scripting tasks. For example, the page 
(http://www.rebol.com/oneliners.html) lists a number of one liners that show 
the potential.

Here is a oneliner (#6 from the oneliners.html) to Save web page text to a file:

remove-each tag page: load/markup http://www.rebol.com [tag? tag] write 
%page.txt page


REBOL is cross platform and is under 1MB. Having support for REBOL in Babel may 
be useful. 

Disclaimer: I have no connection to REBOL's development. I have used it as a 
portable solution for producing HTML documentation from plain text (Makedoc - 
http://www.rebol.net/docs/makedoc/fastmd.html).

- Srinivas 

Re: REBOL support Was: Re: [babel] ob-web

[Eric Schulte]

I just heard about REBOL recently as it was mentioned as a "good new
language to learn" at the "Future of Programming Languages" [1] talk at
Strange Loop.

I am happy to help anyone who would like to add Babel support for REBOL.
The existing ob-*.el language files should serve as a good guide.  My
only request for anyone looking to implement such support is that they
be willing to sign the FSF copyright assignment (see [2]).

Cheers -- Eric

Srinivas <sp_us@yahoo.com> writes:

> I don't know if anyone in this community has heard of REBOL (http://
> www.rebol.com). 
>
> REBOL seems ideally suited for such scripting tasks. For example, the page 
> (http://www.rebol.com/oneliners.html) lists a number of one liners that show 
> the potential.
>
> Here is a oneliner (#6 from the oneliners.html) to Save web page text to a file:
>
> remove-each tag page: load/markup http://www.rebol.com [tag? tag] write 
> %page.txt page
>
>
> REBOL is cross platform and is under 1MB. Having support for REBOL in Babel may 
> be useful. 
>
> Disclaimer: I have no connection to REBOL's development. I have used it as a 
> portable solution for producing HTML documentation from plain text (Makedoc - 
> http://www.rebol.net/docs/makedoc/fastmd.html).
>
> - Srinivas 
>
>
>
>
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> Please use `Reply All' to send replies to the list.
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Footnotes: 
[1]  http://www.infoq.com/presentations/Future-of-Programming-Languages

[2]  http://orgmode.org/worg/org-contribute.php#sec-2