:)
How about an abstraction that lets you apply a quot to each element of a
stream? (I'm still thinking about stream/collection unification, but in
the meantime...)
Slava Pestov wrote:
> This won't work if the comment text itself contains a quoted string
> "foo", because then Phil's code simply returns "foo" as the content of
> that line.
>
> Slava
>
> On May 6, 2008, at 8:37 AM, Stefan Scholl wrote:
>
>> Or the application just ignores every row with the first field
>> starting with "#".
>>
>>
>> "123,456,789\n#stuff\n111,222,333" <string-reader> csv
>> [ first "#" head? not ] filter .
>> { { "123" "456" "789" } { "111" "222" "333" } }
>>
>>
>> ! Or:
>>
>> : process-row ( seq -- n )
>> dup first "#" head? not
>> [ 0 [ string>number + ] reduce ]
>> [ 0 ] if ;
>>
>> "123,456,789\n#stuff\n111,222,333" <string-reader> csv [ process-
>> row ] map .
>> { 1368 0 666 }
>>
>>
>> Slava Pestov <[EMAIL PROTECTED]> wrote:
>>> This would be a good approach if the csv parser had an alternative
>>> entry point taking an array of strings.
>>>
>>> Then I could do
>>>
>>> "foo.txt" ascii file-lines [ "#" head? not ] filter csv-lines
>>>
>>> Slava
>>>
>>> On May 6, 2008, at 1:20 AM, Stefan Scholl wrote:
>>>
>>>> I haven't seen comments in any csv documentation so far. This
>>>> kind of in-band signalling should be handled by the application
>>>> itself and not by the library.
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