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rhenium/encode_utf7.rb

Created August 2, 2013 10:08
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encode_utf7.rb
require "base64"
def encode_utf7(str)
str.gsub("+", "+-").gsub(/[^+A-Za-z0-9'(),-.\/:? \t\r\n]+/) {|m| "+" + [[m.each_codepoint.to_a.map{|m| "%04x" % m }.join].pack("H*")].pack("m0").delete("=") + "-" }
end
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