#!/bin/rc

# https://www.google.co.uk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=5&ved=0CEIQFjAE&url=http%3A%2F%2Fwww.ppgee.pucminas.br%2Fgsdc%2Fpapers%2Fpenha_sci02.ps&ei=bfG1UdvCL8qd0AXhp4HgAg&usg=AFQjCNGqBuUKmG9n15w9jv9nFjTGET2Oog&sig2=h7Ez1nDAT9tuCHyqvAcMVQ

echo $1 | sed '
	s/^.*url=//
	s/%3A/:/g
	s/%2F/\//g
	s/&ei=.*$//
'