In Evolve.java, the following code prints this stuff: output.systemMessage(Version.message()); /// this is the crucial one output.systemMessage("Threads: breed/" + breedthreads + " eval/" + evalthreads); output.systemMessage(seedMessage); You'll have to hack it. I'll put in something in the next version to get around it. Sean On Feb 4, 2008, at 12:18 PM, Anais Martínez wrote: > Hi. With your solutions I have been able to solve the problem > (thank you > very much), but in each individual appears something like this: > > | ECJ > | An evolutionary computation system (version 16) > | By Sean Luke > | Contributors: L. Panait, G. Balan, S. Paus, Z. Skolicki, R. > Kicinger, > | J. Harrison, J. Bassett, R. Hubley, A. Desai, and > A. Chircop > | URL: http://cs.gmu.edu/~eclab/projects/ecj/ > | Mail: [log in to unmask] > | (better: join ECJ-INTEREST at URL above) > | Date: March 20 2007 > | Current Java: 1.6.0_03 / Java HotSpot(TM) Client VM-1.6.0_03-b05 > | Required Minimum Java: 1.3 > > What parameter erases the message? Thank you again.