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Re: Owning and controlling child processes in scripts?

X-seq: zsh-users 13993
From: Mikael Magnusson <mikachu@xxxxxxxxx>
To: Johann Myrkraverk Oskarsson <johann@xxxxxxxxxxxxxx>
Subject: Re: Owning and controlling child processes in scripts?
Date: Fri, 3 Apr 2009 20:58:07 +0200
Cc: Zsh Users <zsh-users@xxxxxxxxxx>
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2009/4/3 Johann "Myrkraverk" Oskarsson <johann@xxxxxxxxxxxxxx>:
> Hi all,
>
> Is it possible to keep a child process, and communicate with it using
> stdin and stdout in a script?
>
> More specifically, can I spawn a sqlite process, and pipe into it an
> sql command, as needed?  Or am I condemned to spawn a new process on
> each command?

Look up coproc
simple example
% coproc cat
% echo hello >&p
% cat <&p
hello

-- 
Mikael Magnusson

References:
- Owning and controlling child processes in scripts?
  - From: Johann \"Myrkraverk\" Oskarsson

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