masks="Sibe USA NAtl Arct ter interH oce circA otrop weak subs conv glob etoa" masks="Sibe USA" masks="circAa etow etows" masks="etows" masks="circA" for mask in $masks ; do case $mask in oce|ter|otrop|weak|subs|conv|circA|NAtl|Arct|Sibe|USA) ferret -batch tmp.ps <