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Just create a function in your .bashrc like this
shorturl() {
curl -s -d URL="$1" http://is.gd/create.php | sed '/Your new shortened/!d;s/.*value="\([^"]*\)".*/\1/'
}
There are 3 alternatives - vote for the best!
Check the API. You shouldn't need sed. The print-newline at the end is to prevent zsh from inserting a % after the end-of-output.
Also works with http://v.gd
If you can do better, submit your command here.
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Well, I can't do it much shorter:
curl http://is.gd/api.php?longurl=[url]
But it uses less bandwidth. :D
Unfortunately we have to encode the url in case it contains & (ampersand).
Check this tip for solution: http://www.commandlinefu.com/commands/view/4253/shorten-url-with-is.gd-using-curl-perl