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List:       9fans
Subject:    Re: [9fans] PUSH sources for Plan 9
From:       Noah Evans <noah.evans () gmail ! com>
Date:       2011-01-29 22:32:15
Message-ID: AANLkTi=8bBvJPhfmJ7Gr5gTVRfcBGE1VoF4VLsgs9HHy () mail ! gmail ! com
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Hey Akshat,

I received your previous message, I just haven't had time to answer it.

The reason that is failing is because the arguments are one stack
frame above the commands being executed.

The value should be:

Xsimple (echo  14 10 6 )

I promise I'm not ignoring you.


Noah



On Sat, Jan 29, 2011 at 9:31 PM, Akshat Kumar
<akumar@mail.nanosouffle.net> wrote:
> Hi Noah,
>
> I pinged you offline. Not sure if you got my
> messages.
>
> It seems that your fan-in operator creates
> the pipes, then they're passed along to the
> ORF and IRF through argv (via the fan-out
> and fan-in respectively). I've checked that
> indeed the pipes are being created, by
> running push -r ... and subsequently
> checking /fd to make sure the corresp.
> file descriptors are there. And the '-r'
> flag even tells me:
> ...
> Xsimple (../fdcat ) (13 9 5 )
> ...
> Xsimple (echo ) (14 10 6 )
> ...
>
> and yet, my IRF and ORF programs
> don't receive any arguments - the argv
> list is empty for both. Any ideas why
> this could be?
>
>
> Thanks,
> ak
>
>
> On Thu, Jan 27, 2011 at 2:30 AM, Noah Evans <noah.evans@gmail.com> wrote:
>> You need filters and the filters need to be set up by default in
>> rcmain. Anthony is on top of things as usual :) It would be nice to
>> have other users and if you are interested in exercising it ping me
>> offlist.
>>
>> Noah
>>
>>
>>
>> On Thu, Jan 27, 2011 at 10:08 AM, Akshat Kumar
>> <akumar@mail.nanosouffle.net> wrote:
>>> Is "broken!" the default prompt, or am I
>>> seeing some error here? A primitive
>>> grep of the source files didn't reveal
>>> any instance of that string, so I wonder...
>>> Also because:
>>>
>>> broken! echo hello |< cat >| cat
>>> rc (push): empty argument list
>>> rc (push): empty argument list
>>> term%
>>>
>>> Perhaps I should try the test/ dir first...
>>>
>>>
>>> Thanks!
>>> ak
>>>
>>> On Wed, Jan 26, 2011 at 7:22 PM, Eric Van Hensbergen <ericvh@gmail.com> wrote:
>>>> On Wed, Jan 26, 2011 at 8:52 PM, Akshat Kumar
>>>> <akumar@mail.nanosouffle.net> wrote:
>>>>> Yes, I've seen this. This is the port to Plan 9 Ports.
>>>>> I would like the code for Plan 9. I imagine reproducing
>>>>> will make things uglier than the original.
>>>>>
>>>>> On Wed, Jan 26, 2011 at 5:48 PM, Jacob Todd <jaketodd422@gmail.com> wrote:
>>>>>> http://code.google.com/p/push/
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>> https://bitbucket.org/ericvh/hare/src/3b24a40eb3d1/sys/src/cmd/push/
>>>>
>>>> may be partial, development is ongoing - bug noah.
>>>>
>>>>       -eric
>>>>
>>>>
>>>
>>>
>>
>>
>
>


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