CHAINE=$1 
DIR=$2  
BD=$3
VERSIONBD=$4
grep -i $CHAINE $(find $DIR$BD$VERSIONBD -name "*.p") >  $HOME/lst-$CHAINE-$BD$VERSIONBD
grep -i $CHAINE $(find $DIR$BD$VERSIONBD -name "*.i") >> $HOME/lst-$CHAINE-$BD$VERSIONBD
