oldifs="$IFS"
IFS='|'
while read name value || [ -n "$name" ]
do
    [ -z "$name" ] && continue;
    declare $name="$value"
    
    # for debug
    declared="$declared $name"
    echo $name' = '$value
done <"${CONFNAME}.file"
IFS="$oldifs"

# for debug
echo '=== DEBUG ==='
set | grep -E "declared=${declared// /|^}"

# optional
unset -v $declared name value mynames oldifs CONFNAME