CSV product import with custom fields in one line

[sulfurito]

Hello, sorry if this has been answered before, I didn't have a lucky search...

I need a plugin to import CSV file of products, these products have many custom fields (already defined in virtuemart) so I need the plugin to be able to read and import these custom fields.

All plugins I have tested need the custom fields to be one field/value in each row, this is a bad solution for me as I have many products and man custom fields so I need a plugin that can manage custom fields in columns, do you know it?

As an explanation, instead of a csv with product_id/custom_field_id/custom_field_value I need a csv with product_id/custom_value1/custom_value_2/...

Thank you