[root@sbs-ox5 sysaid]# A='un "de ux" trois'
[root@sbs-ox5 sysaid]# echo $A
un "de ux" trois
[root@sbs-ox5 sysaid]# ARRAY=($A)
[root@sbs-ox5 sysaid]# echo ${ARRAY[0]}
un
[root@sbs-ox5 sysaid]# echo ${ARRAY[1]}
"de
[root@sbs-ox5 sysaid]# echo ${ARRAY[2]}
ux"
[root@sbs-ox5 sysaid]# echo ${ARRAY[3]}