[Tutor] Fastest way to iterate through a file
Kent Johnson
kent37 at tds.net
Tue Jun 26 01:33:41 CEST 2007
Robert Hicks wrote:
> I have a script at work where I have a list of id numbers and I am doing a:
>
> for line in ehFile:
That is fine
> for id in line:
I don't know what this is for - line is a string, iterating it will give
you every character is the line.
>
> I am then going through that file and finding the line the id is on and
> printing the next line out. It takes a few seconds to see the output to
> the screen (the Perl version whips by) which got me to thinking I could
> be doing it faster (as I want to move it from Perl to Python).
>
> If you need all the code I can post that tomorrow or I can try any ideas
> posted to this.
A bit more code would help.
Kent
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