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MathGroup Archive 1998

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Re: FileManipulation

  • To: mathgroup at
  • Subject: [mg15060] Re: FileManipulation
  • From: "Dale Horton" <daleh>
  • Date: Wed, 9 Dec 1998 04:12:39 -0500
  • Organization: Wolfram Research, Inc.
  • References: <7430ql$>
  • Sender: owner-wri-mathgroup at

It appears to be related to $HomeDirectory.


has "\\\\"


has "\\"


Jason Gill wrote in message <7430ql$n01 at>...
>I encountered an interesting behavior running 3.1 on Win 95.  When using
>the functions filenames to generate a list of files and then attempting
>to use that list within a function results in a "out to lunch error".
> The example I am using is
>all = FileNames[*,$HomeDirectory,1]; Out:
>{c:\\95drive,c:\\autoexec.bat, etc.} However attempting to
>sends the kernel out never to return.
>On futher investigation,
>It appears that Mathematica perpetually adds backslashes. That is if I
>take the a original version of "all" and manually stirp away the second
>backslash, Mapping FileType works as expected.  I am not sure what is
>causing this behavior, or how to correct it without manually removing
>the extra backslash in FileNames.
>I suspect I am not describing the problem very clearly, but the problem
>is based on an example Given in the Mathematica book, page 15, where I
>have substituted FileType for FileByteCount.
>Anyways, It is not a very critical application, I was just wondering if
>anyone else has encountered it, or more importantly why is it doing it?

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