Am 25.09.2012 um 16:12 schrieb EBo:
> On Tue, 25 Sep 2012 09:57:54 -0400, Kent A. Reed wrote:
>> On 9/25/2012 9:11 AM, Sebastian Kuzminsky wrote:
>>> On 09/25/2012 06:42 AM, Gene Heskett wrote:
>>>> Am 25.09.2012 um 04:09 schrieb Gene Heskett:
>>>>>> Actually, there might be a second way too. If we record the
>>>>>> directory
>>>>>> path at open time, and then just assume the subroutine is in the
>>>>>> same
>>>>>> dir as the top level source gcode is.
>>>>>>
>>> I too sometimes use project-specific subroutines, and like you I'm
>>> not
>>> totally thrilled to put them in a central place where
>>> [RS274NGC]SUBROUTINE_PATH can see them.
>>>
>>> I think this second option seems like a good idea. Maybe we could
>>> have
>>> two different CALL functions, like how C has two different #include
>>> syntaxes: one for searching the system-wide place only, and another
>>> for
>>> searching first the current directory then the system-wide place.
>>>
>>> By "the current directory" I mean the directory of the file running
>>> CALL, and by "the system-wide place" i mean the SUBROUTINE_PATH.
>>>
>>>
>>
>> I like your analogy to C as a way of illustrating your suggestion but
>> perhaps we could just change the behavior of the current syntax to
>> search first the current directory and then the system-wide place. Is
>> there really a use case that calls for a variant syntax to bypass the
>> current directory?
>
> Assuming that you are talking about a PATH list (similar to how most
> *NIX shells deal with ${PATH}) then I would suggest not setting the
> current directory as the default first choice. Sometimes you want to
> explicitly overload something and you need to make sure that you can put
> it before the system one. Also, assuming "." or current directory, have
> been used in the past to inject trojans and viruses on *NIX machines. I
> think we should think twice about allowing that if a rogue subroutine
> could be injected...
then redefine SUBROUTINE_PATH to allow a '.', or '$dir', or whatever you like
which gets substituted at runtime by dirname(gcodefile)
-m
>
> just my 0.2875 (accounting for inflation).
>
> EBo --
>
>
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