Best strategy for exporting/importing big lists or tuples to human-readable files?

[geo909]

Dear all,

I kindly ask for your feedback on the following.

My work involves the use of big lists that are of two kinds:
a) lists of integers
b) lists of lists of integers

The contents of those lists come from quite long computations and I need to reuse those tuples often,
so it is necessary to store those lists and retrieve them later, instead of recomputing all the elements
everytime. It would also be great if they are stored in a way such that they are human-readable; the
way I think of it, every element would be in another line, so that when I see them in my text editor, I
can see the row number next to the element, and thus know the index of the element in the list.

What do you recommend I should do for importing/exporting those lists to human-readable files? Any
particular function or format (e.g. txt, csv, etc) that I should use?

Any feedback would be greatly appreciated.

George

[geo909]

I finally decided to use the csv goodies of python as described here:
http://docs.python.org/2/library/csv.html

[Christophe Bal]

Hello,

if you want to work with long table-array, it could be useful to use numpy.

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[Georgios Tzanakis]

Thanks.. In my case the csv solution is just fine, but it's good to know.

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