> Even java can do that setOut(system.in); I was referring to an empty SED-program that would then be run via 'sed -f empty-file.sed'. Of course you need >0 b

> Even java can do that setOut(system.in); I was referring to an empty SED-program that would then be run via 'sed -f empty-file.sed'. Of course you need >0 bytes to invoke the SED program.