[EMAIL PROTECTED] wrote:
>> do it lazily:
>>
>> last_line = None
>> for line in open("file):
>> if last_line:
>> print last_line
>> last_line = line
>>
>> or just gobble up the entire file, and slice off the last item:
>>
>> for line in list(open("file"))[:-1]:
>> print line
>>
>> </F>
>
> hi
> would it be a problem with these methods if the file is like 20Gb in
> size...?
The second one would be a problem, since it creates a list containing all
the lines of the file. Use the lazy approach.
--
Roberto Bonvallet
--
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