Globalize3 gem, upload data from CSV

Rails 3.1.3
Globalize3 latest

I am not sure if I can ask this question here in general Rails forum.
But I’ll try.

Currently I am using a gem, Globalize3, which is useful for model I18n.

Say, I have a model City, having only one column, name.
City names appear differently depending on the language, so perhaps this
particular gem is useful.

RailsCast is nice
http://railscasts.com/episodes/338-globalize3?view=comments

My app has already many city names in ENGLISH and now I would like to
add city names in other languages as well. In order to do so, from my
understanding,

find a particular City entry

c = City.find(…)
c.name = “Tokyo”

then I need to change I18n.locale

I18n.locale = :ja

and add the new name in another language

c.name = “東京”
c.save

This is a tedious job. I want to add hundreds of city names from a CSV
file.

Can anyone give me tips for controllers for that?

I am stuck because I need to change I18n.locale on every insertion.

You want to create a rake task that

A) Reads the CSV and for each row (Probably, depends on your CSV):
B) Finds the existing file, changes the local, and adds the data.

Since you are familiar with Railscasts, have a look at
http://railscasts.com/episodes/66-custom-rake-tasks for an overview of
making your own rake tasks.

This link is what you probably ultimately want to do:
http://nithinbekal.com/2009/rails-importing-data-from-spreadsheets-into-database/

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