Groups > comp.sys.mac.system > #75701 > unrolled thread

Spawn command

Started by	miguelfigueirasebastiao@gmail.com
First post	2015-05-15 05:23 -0700
Last post	2015-05-15 16:42 -0400
Articles	5 — 5 participants

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  Spawn command miguelfigueirasebastiao@gmail.com - 2015-05-15 05:23 -0700
    Re: Spawn command Barry Margolin <barmar@alum.mit.edu> - 2015-05-15 10:58 -0400
      Re: Spawn command android <here@there.was> - 2015-05-15 18:45 +0200
    Re: Spawn command David Ritz <dritz@mindspring.com> - 2015-05-15 15:32 -0500
      Re: Spawn command JF Mezei <jfmezei.spamnot@vaxination.ca> - 2015-05-15 16:42 -0400

#75701 — Spawn command

From	miguelfigueirasebastiao@gmail.com
Date	2015-05-15 05:23 -0700
Subject	Spawn command
Message-ID	<9fd0df01-f607-4cef-ae58-fa824d50677f@googlegroups.com>

Hi everyone,

It might be a stupid question but it seems that the "spawn" command is not working on my mac (10.10.1)

>spawn
-bash: spawn:command not found

Do I have to install spawn ? how ?

Cheers,
Miguel

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#75719

From	Barry Margolin <barmar@alum.mit.edu>
Date	2015-05-15 10:58 -0400
Message-ID	<barmar-86C5EC.10582015052015@88-209-239-213.giganet.hu>
In reply to	#75701

In article <9fd0df01-f607-4cef-ae58-fa824d50677f@googlegroups.com>,
 miguelfigueirasebastiao@gmail.com wrote:

> Hi everyone,
> 
> It might be a stupid question but it seems that the "spawn" command is not 
> working on my mac (10.10.1)
> 
> >spawn
> -bash: spawn:command not found
> 
> Do I have to install spawn ? how ?

Never heard of it, what does it do? I've googled it, and can only find 
it as a command within an Expect script, it's not a shell command.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***

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#75739

From	android <here@there.was>
Date	2015-05-15 18:45 +0200
Message-ID	<crmm4nFpnebU5@mid.individual.net>
In reply to	#75719

In article <barmar-86C5EC.10582015052015@88-209-239-213.giganet.hu>,
 Barry Margolin <barmar@alum.mit.edu> wrote:

> In article <9fd0df01-f607-4cef-ae58-fa824d50677f@googlegroups.com>,
>  miguelfigueirasebastiao@gmail.com wrote:
> 
> > Hi everyone,
> > 
> > It might be a stupid question but it seems that the "spawn" command is not 
> > working on my mac (10.10.1)
> > 
> > >spawn
> > -bash: spawn:command not found
> > 
> > Do I have to install spawn ? how ?
> 
> Never heard of it, what does it do? I've googled it, and can only find 
> it as a command within an Expect script, it's not a shell command.

man spawn:

SPAWN(8)

NAME
       spawn - Postfix external command spawner

SYNOPSIS
       spawn [generic Postfix daemon options] command_attributes...

DESCRIPTION
       The  spawn(8) daemon provides the Postfix equivalent of inetd.  
It listens
       on a port as specified in the Postfix master.cf file and spawns 
an  exter-
       nal  command  whenever a connection is established.  The 
connection can be
       made over local IPC (such as UNIX-domain sockets) or  over  
non-local  IPC
       (such  as  TCP  sockets).   The command's standard input, output 
and error
       streams are connected directly to the communication endpoint.

       This daemon expects to be run from the master(8) process manager.
-- 
teleportation kills

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#75764

From	David Ritz <dritz@mindspring.com>
Date	2015-05-15 15:32 -0500
Message-ID	<alpine.OSX.2.20.1505151525260.23154@mako.ath.cx>
In reply to	#75701

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On Friday, 15 May 2015 05:23 -0700, 
 in article <9fd0df01-f607-4cef-ae58-fa824d50677f@googlegroups.com>, 
 miguelfigueirasebastiao@gmail.com wrote:

> Hi everyone,

> It might be a stupid question but it seems that the "spawn" command 
> is not working on my mac (10.10.1)

> >spawn
> -bash: spawn:command not found

> Do I have to install spawn ? how ?

If Posfix is installed, spawn is too.

$ locate spawn | grep postfix/spawn
/Applications/Server.app/Contents/ServerRoot/usr/libexec/postfix/spawn
/opt/local/libexec/postfix/spawn
/usr/libexec/postfix/spawn

-- 
David Ritz <dritz@mindspring.com>
 Be kind to animals; kiss a shark.

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#75765

From	JF Mezei <jfmezei.spamnot@vaxination.ca>
Date	2015-05-15 16:42 -0400
Message-ID	<55565a43$0$19987$c3e8da3$1cbc7475@news.astraweb.com>
In reply to	#75764

>> It might be a stupid question but it seems that the "spawn" command 
>> is not working on my mac (10.10.1)

the "sh" command spawns a subprocess shell. You can then do many
commands, change directory etc, and then "exit" to return to the orginal
shell and original current working directory and environment variables etc.

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