[Tutor] Nested loop of I/O tasks

[Kent Johnson]

On Wed, Nov 25, 2009 at 1:38 AM, Christian Witts <cwitts at compuscan.co.za> wrote:

> If your output is going to be sorted like that so you know NONAME will be on
> the same line in both files what you can do is
>
> INCT = open('something.csv', 'r')
> INMRI = open('something_else.csv', 'r')
>
> rec_INCT = INCT.readline()
> rec_INMRI = INMRI.readline()
>
> while rec_INCT and rec_INMRI:
>   name, x, y, z, a, b, c, d = rec_INCT.split(',')
>   NAME, X, Y, Z, A, B, C, D = rec.INMRI.split(',')
>
>   if name == NAME:
>       print 'Matches'
>
>   rec_INCT = INCT.readline()
>   rec_INMRI = INMRI.readline()
>
> INCT.close()
> INMRI.close()

For this to work the files must have the same names in the same order.
It's not enough that they be sorted, they have to have the same
entries.

Kent