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Re: How to check if a file exists?


On 4/15/04 at 3:39 AM, thomas.guignard at epfl.ch (Thomas Guignard)
wrote:

>I'm looking for a way to check if a given file exists. If it
>exists, I load its contents, if not I have to start a block of
>calculations.

>I just can't find the function to check the existence of a file!

FileType will do what you want. If you do FileType["filename"] and filename doesn't exist in the current working directory you will get the result None.
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