Hi Niels, The error with randomise is the same, yes. But I do not get 78 when I run that command. Both design and design_fixed (from running tr) produce 77: benchernoffsmbp:Raw_FA bchernof$ wc -l /Volumes/cantlonData/LAB_MEMBERS/Ben/Patients_TBSS/Raw_FA/design.txt 77 /Volumes/cantlonData/LAB_MEMBERS/Ben/Patients_TBSS/Raw_FA/design.txt benchernoffsmbp:Raw_FA bchernof$ wc -l /Volumes/cantlonData/LAB_MEMBERS/Ben/Patients_TBSS/Raw_FA/design_fixed.txt 77 /Volumes/cantlonData/LAB_MEMBERS/Ben/Patients_TBSS/Raw_FA/design_fixed.txt -Ben ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1