On Sun, Aug 1, 2010 at 2:49 PM, Clinton Jeffery <[email protected]>wrote:
> "dir" is not defined on Linux so I am not sure what the point of comparing
> "dir" on Linux with that on Windows.
dir works on linux. At least it does on Fedora 12.
>
> "dir" is not an executable program on Windows, either, it is an "internal"
> part of the Windows shell, cmd.exe or some such. Unicon tries to recognize
> internals commands and executes them with an invocation of cmd.exe and the
> -1 is what cmd.exe is returning for some reason.
>
> As far as "wait" and "nowait", "wait" is the default and should have no
> effect. "nowait" should probably do something other than fail. It is worth
> looking into.
>
>
> On Sun, Aug 1, 2010 at 6:34 AM, Jafar Al-Gharaibeh <[email protected]>wrote:
>
>> David,
>>
>> Just to compare with Linux, (running Fedora 12), I ran you program
>> after changing system.exe to system and fixing the second "nowait" to be
>> "wait", here is what I got. How is that different from what you are getting
>> ?
>>
>> [ja...@precision projects]$ ./system
>> Unicon Version 11.7. January 22, 2010
>> Select
>> - dir
>> - dir-nowait
>> - dir-wait
>> dir
>> system.icn : 14 | SYSTEM(list_2 = ["dir system.icn"])
>> system.icn
>> system.icn : 20 | SYSTEM returned 0
>> exit code=0
>> system.icn : 18 main failed
>>
>> [ja...@precision projects]$ ./system
>> Unicon Version 11.7. January 22, 2010
>> Select
>> - dir
>> - dir-nowait
>> - dir-wait
>> dir-nowait
>> system.icn : 15 | SYSTEM(list_2 = ["dir
>> system",&input,&output,&errout,"nowait"])
>> system.icn : 20 | SYSTEM returned 2338
>> Child PID.1=2338
>> system.icn : 18 main failed
>>
>> [ja...@precision projects]$ ./system
>> Unicon Version 11.7. January 22, 2010
>> Select
>> - dir
>> - dir-nowait
>> - dir-wait
>> dir-wait
>> system.icn : 16 | SYSTEM(list_2 = ["dir
>> system",&input,&output,&errout,"wait"])
>> system
>> system.icn : 20 | SYSTEM returned 0
>> Child PID.2=0
>> system.icn : 18 main failed
>> [ja...@precision projects]$
>>
>>
>> Jafar
>>
>>
>>
>>
>> On Sun, Aug 1, 2010 at 8:47 AM, David Gamey <[email protected]>wrote:
>>
>>> Folks,
>>>
>>> The system function is behaving unexpectedly:
>>>
>>> - system("dir...") works but returns -1 - not sur if that's normal
>>> - system() with wait and nowait works but fail.
>>>
>>> Version gives: Unicon Version 11.7. January 22, 2010
>>>
>>> The program below illustrates:
>>>
>>> procedure main()
>>> write(&version)
>>> SYSTEM :=: system
>>> &trace := -1
>>> SEL := ["dir","dir-nowait","dir-wait"]
>>> until \op do {
>>> write("Select")
>>> every write("- ",!SEL)
>>> opt := read()
>>> if opt == !SEL then break
>>> }
>>>
>>> case opt of {
>>> SEL[1]:write("exit code=",system("dir system.icn"))
>>> SEL[2]:write("Child PID.1=",system("dir
>>> system.exe",&input,&output,&errout,"nowait"))
>>> SEL[3]:write("Child PID.2=",system("dir
>>> system.exe",&input,&output,&errout,"nowait"))
>>> }
>>> end
>>>
>>> procedure SYSTEM(x[]); return SYSTEM!x; end
>>>
>>> David
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> The Palm PDK Hot Apps Program offers developers who use the
>>> Plug-In Development Kit to bring their C/C++ apps to Palm for a share
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>>> _______________________________________________
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>>>
>>>
>>
>>
>> --
>> "Let there be no compulsion in religion: Truth stands out clear from
>> error" [The Holy Qur'an 2:256]
>>
>> "Injustice anywhere is a threat to justice everywhere" Dr. King
>>
>>
>> ------------------------------------------------------------------------------
>> The Palm PDK Hot Apps Program offers developers who use the
>> Plug-In Development Kit to bring their C/C++ apps to Palm for a share
>> of $1 Million in cash or HP Products. Visit us here for more details:
>> http://p.sf.net/sfu/dev2dev-palm
>> _______________________________________________
>> Unicon-group mailing list
>> [email protected]
>> https://lists.sourceforge.net/lists/listinfo/unicon-group
>>
>>
>
--
"Let there be no compulsion in religion: Truth stands out clear from error"
[The Holy Qur'an 2:256]
"Injustice anywhere is a threat to justice everywhere" Dr. King
------------------------------------------------------------------------------
The Palm PDK Hot Apps Program offers developers who use the
Plug-In Development Kit to bring their C/C++ apps to Palm for a share
of $1 Million in cash or HP Products. Visit us here for more details:
http://p.sf.net/sfu/dev2dev-palm
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