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robmcalister/hideemail

Created August 11, 2013 23:53
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Hide Email With Entities
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hideemail
#!/usr/bin/env ruby
email = STDIN.read
url_email = email.gsub(/./) { |c| '%' + c.unpack('H2' * c.size).join('%').upcase }
html_email = url_email[1..-1].split(/%/).collect { |c| sprintf("&#%03d;", c.to_i(16)) }.join
print "<a href=\"mailto:#{url_email}\">#{html_email}</a>"
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