[Tutor] Test for file existance
Alan Gauld
alan.gauld at blueyonder.co.uk
Mon Aug 30 23:54:21 CEST 2004
> os.access("/home/klas/epa.txt", F_OK)
> but i get the following error:
>
> Traceback (most recent call last):
> File "<pyshell#156>", line 1, in ?
> kalle = os.access("/home/klas/epa.txt",F_OK)
> NameError: name 'R_OK' is not defined
That's because F_OK is defined in the os module,
so you need to use os.F_OK
But why not use the much sipler os.path.exists()
function instead?
Alan G.
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