On Thu, Sep 20, 2012 at 12:33 PM, Ben Scott <dragonh...@gmail.com> wrote:
> On Thu, Sep 20, 2012 at 11:52 AM, Joshua Judson Rosen
> <roz...@geekspace.com> wrote:
> > ... thwarted by the unholy amount of hole-iness in the map:
> > you can't just start at the center, walk until you hit `the end'
> > of the world ...
>
> Why not?
Your suggestion does not disprove his claim that you can't walk to the end
since their are several false ends. Personally, I don't think something
that tries to walk to the end is all that brutish. =)
I mean, I get that not all the tile locations actually
> have image files there, but presumably you just get the 404 error and
> move on.
>
> wget hxxp://imgs.xkcd.com/clickdrag/{1..256}{n,s}{1..256}{e,w}.png
>
> Granted, this would hammer the server with lots of requests for
> non-existent files. And I imagine it would take some time to run
> through 256*256*2*2 HTTP GET requests. And maybe hit command line
> length limits. So polite or efficient, it's not. But if you want
> brute force and ignorance.... :)
>
>
I got around the command line issue by dumping a list of generated URLs to
a file and then feeding that file to wget:
ajohnson@helium:~/tmp/xkcdclickdrag$ for v in n s; do for h in e w; do for
x in `seq 100`; do for y in `seq 1 100`; do echo
http://imgs.xkcd.com/clickdrag/$y$v$x$h.png; done; done; done; done > urls
ajohnson@helium:~/tmp/xkcdclickdrag$ wget -qi urls
How's that for brute? =) No where near as elegant as your one-liner, but
I like to just loop the hell out of things rather than use some more
elegant, but less familiar, syntax.
I narrowed it down to x max of 40 and y max of 20 after reading some forum
posts.
I quit googling for programmatic ways to stitch the pngs together when,
after reading a bit of the forum posts for this comic, I realized that
others with much more time on their hands would solve the problem much more
completely while I focused on not getting fired. =)
Side note: I was hoping, or expecting, it would wrap at all the edges. =)
Another side note: All this hacking is fun and all, but the panel is much
more fun to explore without zooming or mapping. It is just a wicked time
sync. I'll probably spend some time with my kids looking around the
original version this weekend. Or... maybe we will go out and explore the
real world a bit. =)
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