Date: 25 Jul 2004 19:55:34 -0000 From: tmseck-lists@netcologne.de (Thomas-Martin Seck) To: Craig Rodrigues <rodrigc@crodrigues.org> Cc: freebsd-current@freebsd.org Subject: Re: HEADS UP: change in ports rc.d script behaviour Message-ID: <20040725195534.17806.qmail@laurel.tmseck.homedns.org> In-Reply-To: <20040725173934.GA1213@crodrigues.org>
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* Craig Rodrigues <rodrigc@crodrigues.org> [gmane.os.freebsd.current]:
> On Sun, Jul 25, 2004 at 05:12:08PM +0300, Mike Makonnen wrote:
>> 4. If you must include a default value for an rc.conf(5) knob,
>> make sure that you put it in an if [ -z "$foo_knob"] clause.
>
> As a simple alternative to an if clause, I've done this for the
> isc-dhcp3-server port:
>
> [ -z "$dhcpd_enable" ] && dhcpd_enable="NO"
Even simpler:
foo_enable=${foo_enable:-"NO"}
or
: ${foo_enable:="NO"}
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