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From: Peter Stephenson <p.w.stephenson@ntlworld.com>
To: zsh-users@zsh.org
Subject: Re: locking a file in zsh?
In-Reply-To: Message from Peter Stephenson <p.w.stephenson@ntlworld.com>
   of "Tue, 23 Feb 2010 22:05:50 GMT." <20100223220550.1d934b0c@pws-pc>
Date: Tue, 23 Feb 2010 22:33:58 +0000
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Peter Stephenson wrote:
> # in .zshrc
> zmodload -aF zsh/system b:zsystem
> 
> # in window A
> touch /tmp/zsystem_filelock
> (
>    zsystem /tmp/zsystem_filelock
>    print locked
>    sleep 10
> )
> 
> # in window B
> zsystem /tmp/zsystem_filelock

er... sorry


# in .zshrc
zmodload -aF zsh/system b:zsystem

# in window A
touch /tmp/zsystem_filelock
(
   zsystem flock /tmp/zsystem_filelock
   print locked
   sleep 10
)

# in window B
zsystem flock /tmp/zsystem_filelock


-- 
Peter Stephenson <p.w.stephenson@ntlworld.com>
Web page now at http://homepage.ntlworld.com/p.w.stephenson/