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[Octave-bug-tracker] [bug #55824] function EXIST returns wrong result fo

From: anonymous
Subject: [Octave-bug-tracker] [bug #55824] function EXIST returns wrong result for a network drive
Date: Mon, 4 Mar 2019 05:37:32 -0500 (EST)
User-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:65.0) Gecko/20100101 Firefox/65.0


                 Summary: function EXIST returns wrong result for a network
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Mon 04 Mar 2019 10:37:30 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Incorrect Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 5.1.0
        Operating System: Microsoft Windows



exist('\\serverX\dirY', 'dir') returns 0 in release 5.1.0, while in release
4.4.1 the same command returns the correct result (= 7).

Similarly, in release 5.1.0, the command dir('\\serverX\dirY') throws an error
("... non-existing directory ..."), while in  4.4.1 the same command returns
the correct directory listing.

The network path name is correct - when I paste '\\serverX\dirY' into windows
explorer I do get to the correct (existing) network location.

My operating system is windows 10 v.1809 pro 64 bit. Installed Octave is also
64 bit.

More functions could be impacted, like fileread:
in 4.4.1, x=fileread('\\serverX\dirY\fileZ.txt') works correctly.
I didn't test it in 5.1.0 before uninstalling it, but maybe the result is also


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