From: Robert Klemme <shortcutter@...>
Date: 2010-07-02T06:15:06+09:00
Subject: Re: Reading String Data as a File

On 01.07.2010 16:14, James Edward Gray II wrote:
> On Jul 1, 2010, at 4:02 AM, Robert Klemme wrote:
>
>> 2010/7/1 James Edward Gray II<james@graysoftinc.com>:
>>> On Jun 30, 2010, at 10:41 AM, Brian Candler wrote:
>>>
>>>> James Edward Gray II wrote:
>>>>> I'm open to suggestions and I do take patches.
>>>>
>>>> Specifically, I'd like to see how to parse CSV from stdin. You
>>>> provide an example in the opposite direction:
>>>>
>>>> #   FCSV($stderr)    { |csv_err| csv_err<<  %w{my data here} }
>>>> # to $stderr
>>>
>>> On Jun 30, 2010, at 11:35 AM, Robert Klemme wrote:
>>>
>>>> On 30.06.2010 17:05, James Edward Gray II wrote:
>>>>>
>>>>> Do you think it would help if I added Wrapping an IO under
>>>>> the Shortcut Interface on this page?
>>>>>
>>>>> http://fastercsv.rubyforge.org/classes/FasterCSV.html
>>>>
>>>> +1
>>>
>>> Better?
>>>
>>> http://fastercsv.rubyforge.org/classes/FasterCSV.html
>>
>> Perfect!  Do you think it is a good idea to also allow an IO as
>> argument to foreach so we can save a block?
>>
>> FCSV($stdin)     { |csv_in|  csv_in.each { |row| p row } }  # from
>> $stdin
>>
>> would become
>>
>> FCSV.foreach($stdin)     { |row| p row }  # from $stdin
>
> I would rather not go that far.  The standard CSV library for Ruby
> 1.8 varied its interface slightly from the IO methods I assumed it
> meant to imitate.  For example, open() was essentially foreach() when
> you passed an "r" mode.  This always bothered me.
>
> We don't need two blocks though.  I showed it that way in the
> documentation for consistency (to hopefully make it easier to
> remember), but this works:
>
> $ echo -e 'a,b,c' | ruby -rubygems -e 'require "faster_csv";
> FCSV($stdin).each { |row| p row }' ["a", "b", "c"]

Good point.  Thank you for consideration of my suggestion.

Kind regards

	robert

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