Have a link to your server?
Hopefully your system has a pretty flexible feed system and lets you specify date ranges or the like.
Then just do something like
wget url_to_rss.
That will create the rss file.
Similarly, lynx -dump will do the same.
(You'll want to be careful about overwriting files).
The other thing you may have to do is crawl/filter your website to get the links to each post, then request the rss2 version of that.
I don't have any actual samples now, but I might be able to give you some after work.
(I can create a hypothetical scenario though...let's say there's a well know blog system that always will give you an rss version of a document by merely adding feed to the end of the url. It also contains links on the front page to monthly archives.
In a Unixish environment I might do something like
lynx -dump | grep http | sed -e 's/^[^h]*h/h/' -e 's/ *$/\/feed/' > temp.txt
(edit temp to include just the monthly archives)
then cat temp.txt | xargs wget -r -l 1
Of course, without knowing how much you can actually get out of your system as rss it's a gamble.
(Sorry, this all isn't probably very helpful, but if you give your actual url I might be able to give something more meaningful tonight.)
Jon Gorman
---- Original message ----
>Date: Tue, 6 May 2008 11:23:29 -0400
>From: "The Ford Library at Fuqua" <[log in to unmask]>
>Subject: Re: [CODE4LIB] Exporting RSS Source from a Blog
>To: [log in to unmask]
>Cc: [log in to unmask]
>
> Hi John,
>
> Thanks for the quick response. I tried accessing the
> feed with lynx to no avail. Its been quite awhile
> since I worked w/ lynx. I'll take a quick look at
> wget as well and see if its deployed here and
> usable.
>
> Can you spare a few moments to send an example of
> your "quick and dirty" method?
>
> Feel free to do this on- or off-list if you have the
> time.
> Thanks again!
> --
> Carlton Brown
> Associate Director & IT Services Manager
> Ford Library - Fuqua School of Business
> Duke University
>
> On Tue, May 6, 2008 at 10:11 AM, Jonathan Gorman
> <[log in to unmask]> wrote:
>
> The quick and dirty way I've done something
> similar in the past is to download individual rss
> pages by running something like wget. Other
> command-line browsers/spiders could do something
> similar.
>
> After all, the mechanisms for pulling rss feeds
> are really at the base the same mechanisms for
> pulling web pages of any type.
>
> Jon Gorman
> ---- Original message ----
> >Date: Tue, 6 May 2008 10:01:48 -0400
> >From: The Ford Library at Fuqua
> <[log in to unmask]>
> >Subject: [CODE4LIB] Exporting RSS Source from a
> Blog
> >To: [log in to unmask]
> >
> > Hello All,
> >
> >We're attempting to migrate our java-based
> Blojsom blog to the more
> >user-friendly WordPress software. WordPress has
> built import wizards for
> >many popular blog platforms; but there isn't one
> for Blojsom which is
> >different from *bloxsom* which does have an
> import wizard. Blojsom does have
> >an export blog plugin; but the data is not in RSS
> 2.0 and would require more
> >Perl than I know to convert.
> >
> >WP can import data in RSS 2.0, and I can grab the
> RSS source of some posts
> >by simply viewing/copying the source in my
> browser. But I need to migrate
> >more than the limited number of posts that can be
> extracted by viewing the
> >RSS source in the browser.
> >
> >Does anyone know of a tool or hack to extract -
> export the entire contents,
> >or a large fixed number of posts from a blog as
> RSS 2.0? Google Reader and
> >some others will grab a large number of posts;
> but I can't view the RSS
> >source.
> >
> >I've done considerable googling already and the
> few scripts/tools I've
> >located call for PHP or Ruby -- neither of which
> are deployed in our
> >environment.
> >
> >Thanks in advance for any tips or pointers.
> >
> >--
> >Carlton Brown
> >Associate Director & IT Services Manager
> >Ford Library - Fuqua School of Business
> >Duke University
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