[CentOS] Lock files in scripts

[Kenneth Porter]

--On Wednesday, July 13, 2011 12:35 PM -0600 Devin Reade <gdr at gno.org> 
wrote:

> However, although I like the trap mechanism for dealing with cleaning
> up temporary files (especially those files or directories containing
> temporary files created by mktemp(1)), I don't think that it's the
> right tool for lock files.  Instead, have a look at flock(1) to avoid
> the race conditions.  (See flock(2) about its unsuitability for locks
> on NFS filesystems, though.)

Thanks, that looks much better.

<http://linux.die.net/man/1/flock>

I'm running my script as a normal user so the lock will be in the user's 
home directory.