[Tutor] Counting lines per 1st column from an text file ?

[Emile van Sebille]

To get you started, look at using readlines() to get
the file, string.split to break it into columns, 
dictionaries to store the results, and slices to 
pick off the first character.

HTH,

Emile van Sebille
emile@fenx.com
-------------------


----- Original Message ----- 
From: Khalid MOULFI <kmoulfi@emirates.net.ae>
To: <tutor@python.org>
Sent: Thursday, May 25, 2000 2:07 AM
Subject: [Tutor] Counting lines per 1st column from an text file ?


> Hello everybody,
> 
> thanks to guys who answered me last time, you really helped me.
> 
> I have another request, I have a text file with following lines :
> 
> 1000    12345678        10/01/00        12:09:14        8
> 1005    12345678        10/01/00        12:09:14        8
> 1000    12345678        10/01/00        12:09:14        8
> 1006    12345678        10/01/00        12:09:14        8
> 1006    12345678        10/01/00        12:09:14        8
> 1005    12345678        10/01/00        12:09:14        8
> 1000    12345678        10/01/00        12:09:14        8
> 2004    12345678        10/01/00        12:09:14        8
> 2004    12345678        10/01/00        12:09:14        8
> 
> I would like to know if it's possible to have the following outputs:
> 
> 1/
>         1st column      Nbr of lines
>         1000            3
>         1005            2      
>         1006            2
>         2004            2
> 
> 2/
>         if fist character from the the first column is:
> 
>                 1 so I'l have total of lines 7
>                 2 so I'l have total of lines 2
>                 3..
>                 4...
>         and the print out could be : 
>                                 1 -- 7
>                                 2 -- 2
> 
> Thanks to anybody who ould help me
> 
> Khalid
> 
> 
> 
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