From: Yang Bob <bob.yang.dev@...>
Date: 2007-10-26T10:35:43+09:00
Subject: Re:

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when use `cmd` syntax, you still can get the process id of the executed
command.
you can use $?.pid to get that pid, because a Process::Status object of
executed command is stored in $? variables.


2007/10/26, <>:
>
>
> On Oct 25, 2007, at 7:25 AM, Arul hari wrote:
>
> > Fish Man wrote:
> >> Hi,
> >> if I start a process in Ruby using the system("some process")
> >> how can I get the process id of the process I've just started?
> >>
> >> Cheers.
> >> Dan.
> >
> > Dear Fish Man,
> >    This is very simple.Just you can use Process.pid.
> > For instance,
> > I wll give some example,
> > I am having one file:
> > 1.rb
> > system("ps") =>execute the process
> > p Process.pid =>it will tell the current process Id.
>
> But not the one launched by system.
>
> You probably want to use something other than system -- popen, fork/
> exec, something like that
>
>

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