[Octave-bug-tracker] [bug #62847] addpath fails to process some mapped network drives

[Nicholas Jankowski]

Follow-up Comment #30, bug #62847 (project octave):

FYI on my corporate setup I can confirm similar(?) issues.  We have a archive
network store set up as drive R: where I have a few old outlook PST files:


>> cd R:
>> ls
 Jankowski_upto20190101.pst
 current_backup_20210803_1550.pst


i made a subfolder and copied one file into there to test. 

>> cd temp
>> ls
current_backup_20210803_1550.pst


here are the results on different octave releases:

in Octave 6.4.0:

>> [c, s, m] = canonicalize_file_name ('current_backup_20210803_1550.pst')
c = R:\current_backup_20210803_1550.pst
s = 0
m =
>> [c, s, m] = canonicalize_file_name ('R:\current_backup_20210803_1550.pst')
c = R:\current_backup_20210803_1550.pst
s = 0
m =
>>cd temp
>> [c, s, m] = canonicalize_file_name ('current_backup_20210803_1550.pst')
c = R:\temp\current_backup_20210803_1550.pst
s = 0
m =
>> [c, s, m] = canonicalize_file_name
('R:\temp\current_backup_20210803_1550.pst')
c = R:\temp\current_backup_20210803_1550.pst
s = 0
m =



Octave 7.2.0:

>> [c, s, m] = canonicalize_file_name ('current_backup_20210803_1550.pst')
c =
\\alcnxfs.nae.ds.army.mil\PSTStorage\PST_Storage_nicholas.jankowski\current_backup_20210803_1550.pst
s = 0
m =
>> [c, s, m] = canonicalize_file_name ('R:\current_backup_20210803_1550.pst')
c = R:\PST_Storage_nicholas.jankowski\current_backup_20210803_1550.pst
s = 0
m =
>> cd temp
>> ls
current_backup_20210803_1550.pst
>> [c, s, m] = canonicalize_file_name ('current_backup_20210803_1550.pst')
c =
\\top.level.server.name\PSTStorage\PST_Storage_nicholas.jankowski\temp\current_backup_20210803_1550.pst
s = 0
m =
>> [c, s, m] = canonicalize_file_name
('R:\temp\current_backup_20210803_1550.pst')
c = R:\PST_Storage_nicholas.jankowski\temp\current_backup_20210803_1550.pst
s = 0
m =


note that none of the forms returned by octave 7.2.0 are valid. 


>> ls(c)
ls: cannot access
'R:/PST_Storage_nicholas.jankowski/temp/current_backup_20210803_1550.pst': No
such file or directory



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