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Re: checking for presence of files

  • To: mathgroup at
  • Subject: [mg24509] Re: checking for presence of files
  • From: Harald Giese <giese at>
  • Date: Thu, 20 Jul 2000 03:01:46 -0400 (EDT)
  • Organization: Institut fuer Meereskunde, Universitaet Hamburg
  • References: <8l3f5d$>
  • Sender: owner-wri-mathgroup at

Otto Linsuain wrote:
>  Hi all. I know the answer to this could be system-dependent. I work
> with Mathematica 4.0 on unix workstations.
>  I wonder if it is possible to define a function that checks if a file
> exists in your disk, something like
>  FindFile[filename_String] = True if the file exists, False otherwise.

Hi Otto, 

You have been close to the answer:

FileNames[filename_String] != {}



Harald Giese
Email: giese at
Phone: +49 (0)40 42838 5796; Fax: +49 (0)40 5605724
Institut fuer Meereskunde der Universitaet Hamburg
(Institute of Oceanography of the University of Hamburg)
Troplowitzstrasse 7, D-22529 Hamburg

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