Date: Fri, 7 Jun 2002 03:25:46 -0400 From: parv <parv@pair.com> To: BSD Freak <bsd-freak@mbox.com.au> Cc: FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Converting decimal dotted subnet mask to CIDR in a script Message-ID: <20020607072546.GA6108@moo.holy.cow> In-Reply-To: <f9079af91739.f91739f9079a@mbox.com.au> References: <f9079af91739.f91739f9079a@mbox.com.au>
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in message <f9079af91739.f91739f9079a@mbox.com.au>, wrote BSD Freak thusly... > > I have a variable in a script we use > > $MASK=255.255.255.0 > > Is there a utility or an easy way to process $MASK and get > > $MASKCIDR=24 > > the CIDR value of 255.255.255.0 in addition to a general solution, python & perl programs, there is at least one port on the subject: net/ipcalc ... # ipcalc -b 0/255.255.255.0 Address: 0.0.0.0 Netmask: 255.255.255.0 = 24 Wildcard: 0.0.0.255 => Network: 0.0.0.0/24 Broadcast: 0.0.0.255 HostMin: 0.0.0.1 HostMax: 0.0.0.254 Hosts/Net: 254 -- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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