Fixed link to current comic would be handy...

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Fixed link to current comic would be handy...

Postby ScottM » Tue Nov 29, 2011 9:35 pm UTC

Oddish request... I'd like there to exist a simple, fixed url which always fetches the current comic image. Something along the lines of
My reason for this is that I want to write code to hit this link every 4 days (getting a different image each time) and use the bits of the fetched image to permute the state of a PRNG.

I know I could do this with the existing JSON url, but it's easier (for me) if I can do it in one fetch. (But I'm not... lazy).

I do not need a carefully worded explanation that anyone who writes his own PRNG code, AND wants to seed it with xkcd, has compounded his geekishness to a worrisome extent. I know. What makes it all worse is that the PRNG output is used in a roleplay game. (Yes, I know. The drugs don't actually help. Thanks.) I also know there are many webcams out there that provide much better sources of unpredictability; I'm already using some. But without xkcd, it just doesn't feel like I've pushed the concept to the maximum possible point.

(Of course, if I can ask for
returning a sequence of digits representing a hash of the current comic, that'd be great, too. But then I'd at least like a discussion of which hash algorithm would be most suitable for this sort of art. :D Thanks!)
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Re: Fixed link to current comic would be handy...

Postby theGoldenCalf; » Tue Dec 13, 2011 8:47 am UTC

Maybe someone who compounded his geekishness to a worrisome extent can parse the HTML response from and extract the image link. Maybe.
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Re: Fixed link to current comic would be handy...

Postby Zarq » Tue Dec 13, 2011 9:41 pm UTC

Just checked, the comic link is the only link of the form "*"

Indeed not difficult to extract.
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Re: Fixed link to current comic would be handy...

Postby phlip » Wed Dec 14, 2011 8:45 am UTC

Ew, no, don't parse the HTML, the JSON is there for a reason. Exactly why that's not sufficient for the OP's purposes is unclear.
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Re: Fixed link to current comic would be handy...

Postby davean » Thu Dec 15, 2011 10:13 am UTC

And the JSON contains the rest of the comic info. There is more to a comic then just an image.
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