Le mercredi 11 mars 2009 à 05:16, Simon Wood a écrit : > $ head -n 1 temp.unicsv > new.unicsv > $ head -n -1 temp.unicsv | awk -F ',' '{if ($5<20) print $0;}' >> > new.unicsv You can do that with awk only: $ awk 'NR==1||$5<20{print $0}' temp.unicsv > new.unicsv Useful information anyway, thanks. -- Renaud Michel