PATHSEP_j_ does not exist in J7, it seems.
Back to the drawing board. I shall revert to the first technique I
tried, shabby though it is: I'll actually look for '\' and if it's not
there I'll assume '/'.
On Tue, Nov 22, 2011 at 7:16 AM, 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?
>> ----------------------------------------------------------------------
>> For information about J forums see http://www.jsoftware.com/forums.htm
>
> ----------------------------------------------------------------------
> For information about J forums see http://www.jsoftware.com/forums.htm
>
----------------------------------------------------------------------
For information about J forums see http://www.jsoftware.com/forums.htm
