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Too many people using TinyURL and similar services

Twitter is a great example of what's wrong with trusting an online service with something of value. Check out some 'tweets':

  • Hah, I'm a Zombie! http://tinyurl.com/8gnnb7 Ahh, the fun we all have with each other. about 1 hour ago from web
  • Health privacy is dead. Here's why: http://ff.im/GMpx about 14 hours ago from FriendFeed
  • Hmm, friendfeed released a new "import Twitter" feature today. It is taking a LONG time on my account. I wonder why.... http://ff.im/GM5W about 14 hours ago from FriendFeed

If these TinyURL services go away, there's not much content here.

So, the project, scrape the TinyURL (and similar) services. It's actually not as hard as it sounds, because we don't need to scrape any web pages or parse any html, since the services just send a Location: header when queried for the hash, we just ask the service for the hash and parse the headers for the redirect url:

(18) swebb@swebb.cluster Wed 11:10am  [~] % curl -LLIs http://tinyurl.com/6dvm2t | grep Location 
Location: http://www.readwriteweb.com/archives/too_many_people_use_tinyurl.php
(19) swebb@swebb.cluster Wed 11:10am  [~] % curl -LLIs http://ff.im/GMpx | grep Location
Location: http://friendfeed.com/e/08954685-00fe-4e55-b28f-4b99f83bfb0d/Health-privacy-is-dead-Here-s-why/

Walk through all possible hash tags, check for errors, and we're good-to-go.

STATUS: Crawling tinyurl.com and ff.im as a first test at an acceptable rate so I won't get my IP banned.

Sites that I've collected that offer similar services:

6url.com
bit.ly
canurl.com
cli.gs
decenturl.com
doiop.com
dwarfurl.com
easyurl.net
ff.im
is.gd
lnkurl.com
memurl.com
metamark.net
minilien.com
myurl.in
myurl.us
notlong.com
qurlyq.com
redirx.com
shorterlink.com
shortlinks.co.uk
shorturl.com
shrinkurl.us
shurl.net
simurl.com
snipr.com
snipurl.com
sn.vc
starturl.com
surl.co.uk
tighturl.com
tinylink.com
tinyurl.com
tr.im
tweetburner.com
urlborg.com
urlbrief.com
urlcut.com
urlhawk.com
urlsmash.com
urltea.com
urlvi.be
x.se
yatuc.com
yep.it