CLEAR THE RECEIPT echo " " > /tmp/receipt APPEND RECEIPT INFO BUFFER 3 echo '' > /tmp/receipt| echo '0123456789112345678921234567893123456789' >> /tmp/receipt| echo '0123456789112345678921234567893123456789' >> /tmp/receipt| echo 'this is ala bla5' >> /tmp/receipt| echo 'this is ala bla6' >> /tmp/receipt| PRINT nc 10.1.1.110 9100 < /tmp/receipt