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From: Martin Gregorie <martin@address-in-sig.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: A strange behaviour of a File property
Date: Sun, 13 Nov 2011 12:42:27 +0000 (UTC)
Organization: UK Free Software Network
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On Sat, 12 Nov 2011 20:42:21 -0500, Arne Vajhøj wrote:

> On 11/12/2011 8:28 PM, Andreas Leitgeb wrote:
>> Arne Vajhøj<arne@vajhoej.dk>  wrote:
>>> On 11/12/2011 5:09 PM, Andreas Leitgeb wrote:
>>>> Eric Sosman<esosman@ieee-dot-org.invalid>   wrote:
>>>>> On 11/11/2011 10:21 PM, Andreas Leitgeb wrote:
>>>>>> Eric Sosman<esosman@ieee-dot-org.invalid>    wrote:
>>>>>>> [...]   Note that in some file systems there is no such thing as a
>>>>>>> "path separator;" on one such I had files with names like
>>>>>>> 	SYS$DISK:[USERS.ERIC.PROJECT]README.TXT;22
>>>>>> Such beasts still exist in the wild?
>>>>> http://en.wikipedia.org/wiki/Files-11#Disk_organization_and_naming
>>>>>        "A fossil!" I hear you cry, "A dried relic of prehistory!"
>>>> I'm not the type who would cry out about it, but I admit, I did think
>>>> something more or less similar.
>>> I do not consider version numbers prehistoric relics.
>>
>> Of course not those... (I think I've seen them even in some modern
>> filesystems with versioning support).
>> But I do consider the brackets enclosing the directory part of a file's
>> path to be such. (namely prehistoric relics)
> 
> So / is modern but [] is oldfashioned.
> 
> Are there any objective reason for that?
> 
>>> * Java actually supports both native syntax and traditional
>>>     *nix / syntax for filenames
>>
>> So that gets us back to the start:
>>   Just using "/" as dir-separator is very likely to get you far enough.
> 
> It will get you to where a user actually specify a filename in normal
> native syntax.
>
... but its best to get into the habit of assembling a filename along the 
lines of 
	dirNameList + File.separator + fileName

rather than using
	dirNameList + "/" + fileName


-- 
martin@   | Martin Gregorie
gregorie. | Essex, UK
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