On 3/9/2015 9:50 AM, Alan Gauld wrote:
Somebody posted a question asking how to fond out if a file
exists. The message was in the queue and I thought I'd approved
it but it hasn't shown up yet. Sorry to the OP if I've messed up.
The answer is that you use the os.path.exists() function.
It takes a path as an argument which can be relative to
the cwd or absolute.
HTH
If you are testing for the existence of a file before opening it to read
it, you can use exception testing instead.
try:
data = open(filename, 'r').read()
except NameError:
do something else
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