tmail/amstd/strquote.rb

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#
# strquote.rb
#
#   Copyright (c) 1999 Minero Aoki <aamine@dp.u-netsurf.ne.jp>
#

class String

  def quoted
    ret = ''
    str = self
    while str.size > 0 do
      /\n|\r\n|\r|\z/o === str
      part = $`
      term = $&
      str = $'
      while part and part.size > 0 do
        tmp = part[ 0, 50 ].inspect
        ret << tmp[ 1, tmp.size - 2 ]
        part = part[ 50, str.size - 50 ]
      end
      tmp = term.inspect
      ret << tmp[ 1, tmp.size - 2 ]
    end

    return ret
  end

end

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