This looks like it is potentially a bug in the J7 engine. It was
identified during the beta, but doesn't look like it was fixed in the
Engine.
http://www.jsoftware.com/pipermail/beta/2010-June/004036.html
On Tue, Nov 22, 2011 at 10:09 PM, Ian Clark <earthspo...@gmail.com> wrote:
> That's true mostly within J for Windows, but not always.
>
> The WHEREAMI code I posted won't work unless it finds the actual
> separator in use, because 4!:3'' returns paths with backslashes.
>
> At least it does on the Win2000 that I'm using. Maybe that's a bug?
>
>
> On Tue, Nov 22, 2011 at 7:23 AM, Ric Sherlock <tikk...@gmail.com> wrote:
>> Yes Bob's info is correct for J6. In J7 '/' is used as the path
>> separator for all systems. It is honoured on Windows as well as
>> Linux/Mac. If you really want a conventionally separated path on
>> Windows (for display etc) then you can use the verb: winpathsep
>>
>> On Tue, Nov 22, 2011 at 8:16 PM, bob therriault <bobtherria...@mac.com>
>> wrote:
>>> PATHSEP_j_ may be what you are looking for Ian. It is set at startup from
>>> the j602\bin\profile.ijs and is referenced in numerous verbs such as
>>> jhostpath_z_ and jpath_z_
>>>
>>> Cheers, bob
>>>
>>> On 2011-11-21, at 10:24 PM, Ian Clark wrote:
>>>
>>>> Does J (all versions, maybe stripped-down) maintain a dependable noun
>>>> in _z_ or _j_ giving the file path separator, viz '/' or '\' ?
>>>>
>>>> Or should I always simply use? --
>>>> IFWIN{'/\'
>>>>
>>>> Does anyone know of a J-supported platform that uses anything other
>>>> than '/' or '\' ? (The Mac used to use ':' but now accepts Unix's '/'
>>>> pretty well everywhere.)
>>>>
>>>> And does IFWINCE imply IFWIN?
>>>>
>>>> I'm using tricks all over the place that empirically work -- but
>>>> what's the set-in-stone convention for a widely-distributed utility?
>>>>
>>>> Here's the technique I propose to standardize on, for any utility
>>>> script which needs to know where it resides:
>>>>
>>>> MYPATH=: 3 : 0 ''
>>>> NB. returns directory containing this script
>>>> NB. also assigns two globals:
>>>> NB. WHEREAMI -the folder in question
>>>> NB. SEP -the platform-dependent separator
>>>> ws=. [: 'Not from script'"_`({ 4!:3@(0&$))@.(0&<:) [: 4!:4 [: < >
>>>> WHEREAMI=: '<UNSET>' NB. needed for ws to work with
>>>> z=. >ws 'WHEREAMI'
>>>> SEP=: '/\' {~ '\' e. z NB. '\' present--> MSWin path conventions
>>>> WHEREAMI=: (>: z i: SEP) {.z
>>>> )
>>>>
>>>> Any comments on its generality, style, redundancy, potential to break, etc?
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