Michele Simionato wrote:
> I have just discovered that the syntax
>
> with file(name, 'w') as f:
> do_something(f)
>
> does not close the file at the end of the with statement! On the
> contrary
>
> with open(name, 'w') as f:
> do_something(f)
>
> works fine. The docs say "When opening a file, it’s preferable to use
> open() instead of invoking this constructor directly." but perhaps
> they should mention why :(
Are you sure?
Python 2.6.4 (r264:75706, Nov 2 2009, 14:44:17)
[GCC 4.4.1] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> with file("tmp.txt", "w") as f:
... print >> f, "whatever"
...
>>> f.write("something")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ValueError: I/O operation on closed file
Peter
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