From: Andrea Dallera <andrea@...>
Date: 2012-06-28T23:36:12+09:00
Subject: Re: Asynchronous IO


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=C2=A0This is far from a clean solution, mind you:=0A=0A=C2=A0 =C2=A0 pip=
e =3D=C2=A0IO.popen("command", "options")=0A=C2=A0 =C2=A0 Thread.new do=0A=
=C2=A0 =C2=A0 =C2=A0 while(true)=0A=C2=A0 =C2=A0 =C2=A0 =C2=A0 p pipe.get=
s=C2=A0 =C2=A0 =C2=A0 =C2=A0=C2=A0=0A=C2=A0 =C2=A0 =C2=A0 end=0A=C2=A0 =C2=
=A0 end=0A=C2=A0 =C2=A0 pipe.puts("I'm writing this on the pipe")=0A=0AYo=
u should see the process's output in your STDOUT.=0A=0AAndrea=0A=C2=A0=0A=
--=0A=C2=A0=0Ahttp://usingimho.wordpress.com=0Ahttp://github.com/bolthar=0A=
Da: "F1 dreamer" lists@ruby-forum.com=0AA: ruby-talk@ruby-lang.org=0ACc: =
=0AData: Thu, 28 Jun 2012 23:12:28 +0900=0AOggetto: Asynchronous IO=0A=0A=
> I have found quite a bit on the web regarding asynchronous IO, but=0A> =
nothing really works the way I expected it to in my case.=0A> =0A> I'm ne=
w to this but herewith my question anyway:=0A> =0A> Currently I'm using O=
I.popen to open a new pipe to another process, and=0A> I feed commands to=
 it; but sometimes the other process could run for=0A> multiple minutes b=
efore closing the pipe; and only at that stage can I=0A> then see the out=
put. Now, what I really need is to see the output of the=0A> process as i=
t writes to stdout already and not only when closing the=0A> pipe?=0A> =0A=
> Ta.=0A> =0A> -- =0A> Posted via http://www.ruby-forum.com/.=0A> 

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=0A<div class=3D"xam_msg_class">=0A<div style=3D"font: normal undefined u=
ndefined; color:undefined;"><div>&nbsp;This is far from a clean solution,=
 mind you:</div><div><br></div><div>&nbsp; &nbsp; pipe =3D&nbsp;IO.popen(=
"command", "options")</div><div><div>&nbsp; &nbsp; Thread.new do</div><di=
v>&nbsp; &nbsp; &nbsp; while(true)</div><div>&nbsp; &nbsp; &nbsp; &nbsp; =
p pipe.gets&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</div><div>&nbsp; &nbsp; &nbs=
p; end</div><div>&nbsp; &nbsp; end</div></div><div>&nbsp; &nbsp; pipe.put=
s("I'm writing this on the pipe")</div><div><br></div><div>You should see=
 the process's output in your STDOUT.</div><div><br></div><div>Andrea</di=
v><div>&nbsp;</div><div>--</div><div>&nbsp;</div><div>http://usingimho.wo=
rdpress.com</div><div>http://github.com/bolthar</div><br><br>=0A<div><spa=
n style=3D"font-family:Arial; font-size:11px; color:#5F5F5F;">Da</span><s=
pan style=3D"font-family:Arial; font-size:12px; color:#5F5F5F; padding-le=
ft:5px;">: "F1 dreamer" lists@ruby-forum.com</span></div>=0A<div><span st=
yle=3D"font-family:Arial; font-size:11px; color:#5F5F5F;">A</span><span s=
tyle=3D"font-family:Arial; font-size:12px; color:#5F5F5F; padding-left:5p=
x;">: ruby-talk@ruby-lang.org</span></div>=0A<div><span style=3D"font-fam=
ily:Arial; font-size:11px; color:#5F5F5F;">Cc</span><span style=3D"font-f=
amily:Arial; font-size:12px; color:#5F5F5F; padding-left:5px;">: </span><=
/div>=0A<div><span style=3D"font-family:Arial; font-size:11px; color:#5F5=
F5F;">Data</span><span style=3D"font-family:Arial; font-size:12px; color:=
#5F5F5F; padding-left:5px;">: Thu, 28 Jun 2012 23:12:28 +0900</span></div=
>=0A<div><span style=3D"font-family:Arial; font-size:11px; color:#5F5F5F;=
">Oggetto</span><span style=3D"font-family:Arial; font-size:12px; color:#=
5F5F5F; padding-left:5px;">: Asynchronous IO</span></div>=0A<br>=0A<div>&=
gt; I have found quite a bit on the web regarding asynchronous IO, but</d=
iv><div>&gt; nothing really works the way I expected it to in my case.</d=
iv><div>&gt; </div><div>&gt; I'm new to this but herewith my question any=
way:</div><div>&gt; </div><div>&gt; Currently I'm using OI.popen to open =
a new pipe to another process, and</div><div>&gt; I feed commands to it; =
but sometimes the other process could run for</div><div>&gt; multiple min=
utes before closing the pipe; and only at that stage can I</div><div>&gt;=
 then see the output. Now, what I really need is to see the output of the=
</div><div>&gt; process as it writes to stdout already and not only when =
closing the</div><div>&gt; pipe?</div><div>&gt; </div><div>&gt; Ta.</div>=
<div>&gt; </div><div>&gt; -- </div><div>&gt; Posted via http://www.ruby-f=
orum.com/.</div><div>&gt; </div></div>=0A</div>=0A

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