Is this discouraged?:
for line in open(filename):
<do something with line>
That is, should I do this instead?:
fileptr = open(filename)
for line in fileptr:
<do something with line>
fileptr.close()
Can I count on the ref count going to zero to close the file?
How about a write case? For example:
class Foo(list):
def __init__(self):
self.extend([1, 2, 3, 4])
def write(self, fileptr):
for item in self:
fileptr.write("%s\n" % item)
foo_obj = Foo()
foo_obj.write(open("the.file", "w"))
Is my data safer if I explicitly close, like this?:
fileptr = open("the.file", "w")
foo_obj.write(fileptr)
fileptr.close()
I understand that the upcoming 'with' statement will obviate this
question, but how about without 'with'?
/Dan
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