+nbph=0
+list_phase_file=`ls -1 $dirname/$prefix*[0-9]*$suffix.mhd`
+for ph in $list_phase_file
+do
+ if [ -e `echo $ph | sed 's/mhd/raw/'` ]
+ then
+ listph="$listph $ph"
+ nbph=$(( nbph + 1 ))
+ fi
+done
+
+nb_phase_file=`ls -1 $dirname/$prefix*[0-9]*$suffix.mhd | wc -l`