[Tutor] How to use try and except in this case?
andreas.perstinger at gmx.net
Sun Nov 27 21:38:15 CET 2011
On 2011-11-27 17:58, Mic wrote:
> Say that I want to try and open 10 files. If none of these exists, I want an
> message to appear. But only if NONE of these files exists.
> I know how to handle this with one file. But I don't know how to do that
> with more than one.
> So the program should try and open all 10 files and if, and only if, none
> of the files exists I want en error message to appear.
Use a counter which increments with every existing file. After opening
all files check if the counter is bigger than 0.
Or, if you need to know which files exist, use a list, append existing
files to it and check at the end if it's not empty.
Do you need more help?
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