Ruby on Rails

Guys I need your help. I need to print RAW data to format the settings
of the printer.

The below data are my example of RAW data...

! HELLO WORLD chr(27) + '!' + chr( 1)
! HELLO WORLD chr(27) + '!' + chr( 2)
! HELLO WORLD chr(27) + '!' + chr( 3)
! HELLO WORLD chr(27) + '!' + chr( 4)
! HELLO WORLD chr(27) + '!' + chr( 5)
! HELLO WORLD chr(27) + '!' + chr( 6)
! HELLO WORLD chr(27) + '!' + chr( 7)
! HELLO WORLD chr(27) + '!' + chr( 8)
! HELLO WORLD chr(27) + '!' + chr( 9)
!
HELLO WORLD chr(27) + '!' + chr( 10)
! HELLO WORLD chr(27) + '!' + chr( 11)
!HELLO WORLD chr(27) + '!' + chr( 12)
!
HELLO WORLD chr(27) + '!' + chr( 13)
! HELLO WORLD chr(27) + '!' + chr( 14)
! HELLO WORLD chr(27) + '!' + chr( 15)
! HELLO WORLD chr(27) + '!' + chr( 16)
! HELLO WORLD chr(27) + '!' + chr( 17)
! HELLO WORLD chr(27) + '!' + chr( 18)
! HELLO WORLD chr(27) + '!' + chr( 19)

After I print this data the printer will ignore to print " ! " instead
the printer will convert " ! " to format the Data ... the formatted
output would be (font, and font size the printer will disregard ASCII
which " ! " I mean the ASCII will convert to format the output of the
printer ...

PLEASE HELP ME GUYS ... WE ARE CREATING REPORTS THAT WILL PRINT AND
FORMAT USING DOT MATRIX PRINTER... THANKS IN ADVANCED

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