Yes, I have read this part
readlines( [sizehint])
Read until EOF using readline() and return a list containing the lines thus
read. If the optional sizehint argument is present, instead of reading up to
EOF, whole lines totalling approximately sizehint bytes (possibly after
rounding up to an internal buffer size) are read. Objects implementing a
file-like interface may choose to ignore sizehint if it cannot be
implemented, or cannot be implemented efficiently.
Maybe I'm missing the obvious, but it does not seem to say what happens when
the input for readlines is too big. Or does it?
How does one tell exactly what the limitation is to the size of the
returned list of strings?
- Original Message -
From: Ben Finney [EMAIL PROTECTED]
Newsgroups: comp.lang.python
To: python-list@python.org
Sent: Saturday, November 19, 2005 6:48 AM
Subject: Re: what happens when the file begin read is too big for all lines
tobe?read with readlines()
Ross Reyes [EMAIL PROTECTED] wrote:
Sorry for maybe a too simple a question but I googled and also
checked my reference O'Reilly Learning Python book and I did not
find a satisfactory answer.
The Python documentation is online, and it's good to get familiar with
it:
URL:http://docs.python.org/
It's even possible to tell Google to search only that site with
site:docs.python.org as a search term.
When I use readlines, what happens if the number of lines is huge?
I have a very big file (4GB) I want to read in, but I'm sure there
must be some limitation to readlines and I'd like to know how it is
handled by python.
The documentation on methods of the 'file' type describes the
'readlines' method, and addresses this concern.
URL:http://docs.python.org/lib/bltin-file-objects.html#l2h-244
--
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`\ precipitate. -- Steven Wright |
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Ben Finney
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