Assuming a CR after each line: 
                  1         2         3         4          
         1234567890123456789012345678901234567890123456789
perl -e 'open(F,'f');@f=<F>;pop@f;pop@f;print"$_"foreach@f'

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In reply to Re: Print all lines in a file except the last two by Ryszard
in thread Print all lines in a file except the last two by Anonymous Monk

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