def decode_cp1252(str)
      array_latin9 = str.unpack('C*')
      array_enc = []
      array_latin9.each do |num|
        case num
          # characters that added compared to iso-8859-1
        when 0x80; array_enc << 0x20AC # 0xe2 0x82 0xac
        when 0x82; array_enc << 0x201A # 0xe2 0x82 0x9a
        when 0x83; array_enc << 0x0192 # 0xc6 0x92
        when 0x84; array_enc << 0x201E # 0xe2 0x82 0x9e
        when 0x85; array_enc << 0x2026 # 0xe2 0x80 0xa6
        when 0x86; array_enc << 0x2020 # 0xe2 0x80 0xa0
        when 0x87; array_enc << 0x2021 # 0xe2 0x80 0xa1
        when 0x88; array_enc << 0x02C6 # 0xcb 0x86
        when 0x89; array_enc << 0x2030 # 0xe2 0x80 0xb0
        when 0x8A; array_enc << 0x0160 # 0xc5 0xa0
        when 0x8B; array_enc << 0x2039 # 0xe2 0x80 0xb9
        when 0x8C; array_enc << 0x0152 # 0xc5 0x92
        when 0x8E; array_enc << 0x017D # 0xc5 0xbd
        when 0x91; array_enc << 0x2018 # 0xe2 0x80 0x98
        when 0x92; array_enc << 0x2019 # 0xe2 0x80 0x99
        when 0x93; array_enc << 0x201C # 0xe2 0x80 0x9c
        when 0x94; array_enc << 0x201D # 0xe2 0x80 0x9d
        when 0x95; array_enc << 0x2022 # 0xe2 0x80 0xa2
        when 0x96; array_enc << 0x2013 # 0xe2 0x80 0x93
        when 0x97; array_enc << 0x2014 # 0xe2 0x80 0x94
        when 0x98; array_enc << 0x02DC # 0xcb 0x9c
        when 0x99; array_enc << 0x2122 # 0xe2 0x84 0xa2
        when 0x9A; array_enc << 0x0161 # 0xc5 0xa1
        when 0x9B; array_enc << 0x203A # 0xe2 0x80 0xba
        when 0x9C; array_enc << 0x0152 # 0xc5 0x93
        when 0x9E; array_enc << 0x017E # 0xc5 0xbe
        when 0x9F; array_enc << 0x0178 # 0xc5 0xb8
        else
          array_enc << num
        end
      end
      array_enc.pack('U*')
    end
def decode_cp1252(str)
      array_latin9 = str.unpack('C*')
      array_enc = []
      array_latin9.each do |num|
        case num
          # characters that added compared to iso-8859-1
        when 0x80; array_enc << 0x20AC # 0xe2 0x82 0xac
        when 0x82; array_enc << 0x201A # 0xe2 0x82 0x9a
        when 0x83; array_enc << 0x0192 # 0xc6 0x92
        when 0x84; array_enc << 0x201E # 0xe2 0x82 0x9e
        when 0x85; array_enc << 0x2026 # 0xe2 0x80 0xa6
        when 0x86; array_enc << 0x2020 # 0xe2 0x80 0xa0
        when 0x87; array_enc << 0x2021 # 0xe2 0x80 0xa1
        when 0x88; array_enc << 0x02C6 # 0xcb 0x86
        when 0x89; array_enc << 0x2030 # 0xe2 0x80 0xb0
        when 0x8A; array_enc << 0x0160 # 0xc5 0xa0
        when 0x8B; array_enc << 0x2039 # 0xe2 0x80 0xb9
        when 0x8C; array_enc << 0x0152 # 0xc5 0x92
        when 0x8E; array_enc << 0x017D # 0xc5 0xbd
        when 0x91; array_enc << 0x2018 # 0xe2 0x80 0x98
        when 0x92; array_enc << 0x2019 # 0xe2 0x80 0x99
        when 0x93; array_enc << 0x201C # 0xe2 0x80 0x9c
        when 0x94; array_enc << 0x201D # 0xe2 0x80 0x9d
        when 0x95; array_enc << 0x2022 # 0xe2 0x80 0xa2
        when 0x96; array_enc << 0x2013 # 0xe2 0x80 0x93
        when 0x97; array_enc << 0x2014 # 0xe2 0x80 0x94
        when 0x98; array_enc << 0x02DC # 0xcb 0x9c
        when 0x99; array_enc << 0x2122 # 0xe2 0x84 0xa2
        when 0x9A; array_enc << 0x0161 # 0xc5 0xa1
        when 0x9B; array_enc << 0x203A # 0xe2 0x80 0xba
        when 0x9C; array_enc << 0x0152 # 0xc5 0x93
        when 0x9E; array_enc << 0x017E # 0xc5 0xbe
        when 0x9F; array_enc << 0x0178 # 0xc5 0xb8
        else
          array_enc << num
        end
      end
      array_enc.pack('U*')
    end
Convert to UTF-8