[Tutor] compare and arrange file

[Edgar Almonte]

i not too smart steve , can you show me with code ?

On Mon, Jul 11, 2011 at 8:22 PM, Steve Willoughby <steve at alchemy.com> wrote:
> On 11-Jul-11 17:18, Edgar Almonte wrote:
>>
>> this is just one time thing and the value don't get repeat
>
> Then you could make a single loop over the input lines, building two
> dictionaries as you go:
>  * one that maps column 2's value to the rest of that line's data
>  * and one that does this for column 3's value.
>
> Now run through the column 2 data you saved, print that data row,
> then look up the value in the other dictionary and print that after it.
>
>>
>> On Mon, Jul 11, 2011 at 7:55 PM, Steve Willoughby<steve at alchemy.com>
>>  wrote:
>>>
>>> On 11-Jul-11 16:50, Edgar Almonte wrote:
>>>>
>>>> Thanks for the hints , what i want accomplish is sort the line by the
>>>> same value in the column 2 and 3
>>>>
>>>> i mean the line with the same value in the 2 get together with the
>>>> line in the same value in column 3
>>>
>>> What if the same value appears more than once?  Does it matter which ones
>>> you match up?  If so, how do you decide?
>>>
>>> --
>>> Steve Willoughby / steve at alchemy.com
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>
>
> --
> Steve Willoughby / steve at alchemy.com
> "A ship in harbor is safe, but that is not what ships are built for."
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