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Re: Unsatisfactory 'file_test()' behavior [message #28563 is a reply to message #28433]

Tue, 18 December 2001 08:09

Dick Jackson
Messages: 347
Registered: August 1998

Senior Member

"Paul van Delst" <paul.vandelst@noaa.gov> wrote in message
news:3C1E0DEA.7E4D534E@noaa.gov...
>> Matt Feinstein (mfein@clark.net) writes:
>>
>>> If I do
>>>
>>> e = file_test('')
>>>
>>> that is, test for the existence of a file whose name is a zero-length
>>> string, I get e = 1. This is not good ! (Using IDL v5.4 WinNT 4.0).
> p.s.:
>
> IDL> print, !version
> { x86 linux unix 5.4.1 Jan 16 2001 32 32}
> IDL> print, file_test('')
> 0
>
> Looks like it may have something to do with the, uh..er, "fluctuating
properties" of Windows.

Fluctuating, indeed!...

=====

IDL Version 5.4 (Win32 x86). (c) 2000, Research Systems, Inc.

IDL> print, file_test('')
1
=====

IDL Version 5.5, Microsoft Windows (Win32 x86). (c) 2001, Research Systems,
Inc.

IDL> print, file_test('')
0
=====

Perhaps this is considered to be fixed now.

--
-Dick

Dick Jackson / dick@d-jackson.com
D-Jackson Software Consulting / http://www.d-jackson.com
Calgary, Alberta, Canada / +1-403-242-7398 / Fax: 241-7392

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[Message index]

		Re: Unsatisfactory 'file_test()' behavior By: Paul van Delst on Mon, 17 December 2001 07:23
		Re: Unsatisfactory 'file_test()' behavior By: David Fanning on Mon, 17 December 2001 07:01
		Re: Unsatisfactory 'file_test()' behavior By: Dick Jackson on Tue, 18 December 2001 08:09

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