The feature of expanding ~ belongs to bash, not Linux itself.
On 7 May 2016 3:27:18 AM AEST, Onorio Catenacci <catena...@ieee.org> wrote:
>Oh--that's good to know José. I had just assumed that Unix wouldn't
>have
>that issue since Windows seems to be such a fertile hunting ground for
>odd
>behaviors.
>
>On Fri, May 6, 2016 at 12:50 PM, José Valim
><jose.va...@plataformatec.com.br
>> wrote:
>
>> The behavior you described is also the behavior on UNIX. You must
>expand
>> paths with Path.expand if you want entries like "~" to be expanded.
>>
>>
>> On Friday, May 6, 2016, Onorio Catenacci <catena...@gmail.com> wrote:
>>
>>> And, of course, after I post that, I spot System.user_home/0. So
>this
>>> would be even better yet:
>>>
>>> home_dir = System.user_home
>>>
>>> I guess the upshot is that you can't rely on "~" on Windows. I don't
>mind
>>> that it doesn't work; it's the fact that it doesn't give any
>indication
>>> that it won't work that bothers me.
>>>
>>> --
>>> Onorio
>>>
>>>
>>> On Friday, May 6, 2016 at 12:15:48 PM UTC-4, Onorio Catenacci wrote:
>>>>
>>>> Quick Pro Tip:
>>>>
>>>> Apparently on Windows, the "~" to refer to the home directory
>doesn't
>>>> work correctly. And it doesn't throw any sort of error to let you
>know that
>>>> it doesn't work correctly so it will simply silently fail. Here's a
>bit of
>>>> code I just hacked together to work around this issue (FWIW):
>>>>
>>>> home_dir =
>>>> case (:os.type()) do
>>>> {:win32,_} -> System.get_env("UserProfile")
>>>> {:unix,_} -> "~"
>>>> end
>>>>
>>>>
>>>> You can see the issue in this way:
>>>>
>>>> 1.) Fire up iex
>>>>
>>>> 2.) iex(1)> File.mkdir_p!("~/bogus")
>>>> :ok
>>>>
>>>> 3.) PS C:\Users\ocatenacci> dir b*
>>>>
>>>>
>>>> Directory: C:\Users\ocatenacci
>>>>
>>>>
>>>> Mode LastWriteTime Length Name
>>>> ---- ------------- ------ ----
>>>> d----- 7/16/2015 3:14 PM Babou
>>>> -a---- 11/20/2015 3:39 PM 7606 boot.bat
>>>>
>>>> 4.) iex(2)> home = System.get_env("UserProfile")
>>>> "C:\\Users\\ocatenacci"
>>>> iex(3)> File.mkdir_p!("#{home}/bogus")
>>>> :ok
>>>>
>>>> 5.) PS C:\Users\ocatenacci> dir b*
>>>>
>>>>
>>>> Directory: C:\Users\ocatenacci
>>>>
>>>>
>>>> Mode LastWriteTime Length Name
>>>> ---- ------------- ------ ----
>>>> d----- 7/16/2015 3:14 PM Babou
>>>> d----- 5/6/2016 12:12 PM bogus
>>>> -a---- 11/20/2015 3:39 PM 7606 boot.bat
>>>>
>>>>
>>>> I hadn't actually checked this on Unix but I'd be shocked were it a
>>>> problem. The only real annoyance to this is that no error is
>thrown--the
>>>> directory simply isn't created.
>>>> I can file an issue if it's wanted. Just wanted to make sure those
>few
>>>> of us who use windows are aware of the issue.
>>>>
>>>> --
>>>> Onorio
>>>>
>>>>
>>>> --
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>>
>>
>> --
>>
>>
>> *José Valim*
>> www.plataformatec.com.br
>> Skype: jv.ptec
>> Founder and Director of R&D
>>
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>
>
>
>--
>Onorio Catenacci
>
>http://onor.io
>http://www.google.com/+OnorioCatenacci
>
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Best wishes,
Dmitry Belyaev
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