[Tutor] Corrupt files

[Øyvind]

Hello.

I have created a program that automatically downloads some files I need.
It can be .zip, .jpg, .mpg or .txt. However, a lot of the time urlretrieve
downloads the file, gives no error, but the downloaded file is corrupted.
I use a simple check for the size of the file. If it is way too small, I
automatically remove it. The files are ok on the server.

Is there some function/modulte that checks a files integrity wheter or not
the file is corrupt or not?

Thanks in advance.

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