slicing the end of a string in a list

John Salerno johnjsal at
Sat Mar 4 07:19:17 CET 2006

Steven D'Aprano wrote:
> On Fri, 03 Mar 2006 16:57:10 +0000, John Salerno wrote:
>> Steven D'Aprano wrote:
>>> The important term there is BINARY, not large. Many problems *reading*
>>> (not opening) binary files will go away if you use 'rb', regardless of
>>> whether they are small, medium or large.
>> Is 'b' the proper parameter to use when you want to read/write a binary 
>> file? I was wondering about this, because the book I'm reading doesn't 
>> talk about dealing with binary files.
> The interactive interpreter is your friend. Call help(file), and you will
> get:
> class file(object)
>  |  file(name[, mode[, buffering]]) -> file object
>  |
>  |  Open a file.  The mode can be 'r', 'w' or 'a' for reading (default),
>  |  writing or appending.  The file will be created if it doesn't exist
>  |  when opened for writing or appending; it will be truncated when
>  |  opened for writing.  Add a 'b' to the mode for binary files.
> plus extra information. 
> Take note that the mode is NOT "b". It is "rb".

Awesome! I'm trying to push away thoughts of C#'s binary reader and 
writer classes now.  :)

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