Re: [Rails] upload file, read first 10 lines.

On 26 March 2011 22:06, Colin Law <clanlaw@googlemail.com> wrote:
> On 26 March 2011 18:52, Mauro <mrsanna1@gmail.com> wrote:
>> I have a csv file and in my controller:
>>
>> uploaded_file = params[:upload][:csv].read
>> @rows << FasterCSV.parse(uploaded_file)
>>
>> I want to put in @rows only the first 10 lines but the read method
>> reads all the file.
>
> I think you can do something like
> FasterCSV.foreach( uploaded_file) do |row|
>  # do something for first 10 rows then break out
> end

I've solved with:

uploaded_file = params[:upload][:csv].read
FasterCSV.parse(uploaded_file) do |row|
@rows[i] = row
i += 1
break row if i == 10
end

>
> Colin
>
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