Date: Sat, 02 Aug 2008 21:16:04 +0200 From: Lars Kristiansen <lars+lister.freebsd@adventuras.no> To: Redd Vinylene <reddvinylene@gmail.com> Cc: freebsd-jail@freebsd.org, questions@freebsd.org Subject: Re: jail_box_ip="<insert hundreds of ips here>" Message-ID: <4894B274.7060308@adventuras.no> In-Reply-To: <f1019d520808021110w6bde456die3a843e6deaa069f@mail.gmail.com> References: <f1019d520808021008r55b83507ia755b945d95a4345@mail.gmail.com> <48949B5F.4070300@infracaninophile.co.uk> <f1019d520808021107i9d68b46y9742acb20ef9b5f7@mail.gmail.com> <f1019d520808021110w6bde456die3a843e6deaa069f@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Redd Vinylene skrev: > Can something similar be used for my > > ifconfig_rl0_aliasN="inet 66.252.2.N netmask 255.255.255.255" > > as well? > This is not as elegant, but may help in a similar way: alia=-1; while [ "$alia" -lt '123' ] ; do alia=$(($alia+1)) ; ips=$(($alia+4)) ; echo "ifconfig_rl0_alias$alia=\"inet 66.252.2.$ips netmask 255.255.255.255\"" ; done Regards Lars, arbeidsøkende, Oslo > On Sat, Aug 2, 2008 at 8:07 PM, Redd Vinylene <reddvinylene@gmail.com> wrote: >> jail_box_ip=$( jot -w "66.252.2.%d" -s "," 124 4 ) >> >> What a gorgeous solution ;) >> >> Thanks man! >> >> On Sat, Aug 2, 2008 at 7:37 PM, Matthew Seaman >> <m.seaman@infracaninophile.co.uk> wrote: >>> Redd Vinylene wrote: >>>> Hey, I got a couple of hundred IPs, is there an easy way to add them >>>> all to jail_box_ip="ip1,ip2,ip3" without making like the longest line >>>> ever? >>>> >>>> Like this? >>>> >>>> jail_box_ip="66.252.2.4,\ >>>> 66.252.2.5,\ >>>> 66.252.2.6,\ >>>> >>>> Unfortunately that doesn't look too good. >>>> >>>> Nor does: >>>> >>>> export x=$(cat ips);export jail_ips=''; for ip in $x; do export >>>> jail_ips="$jail_ips,$ip"; done; export jail_ips=$(echo $jail_ips | sed >>>> s/,$/''/ | sed s/^,//); >>>> >>>> Is there a more beautiful alternative? >>> /etc/rc.conf is just /bin/sh code. All you need to do is set >>> the variables -- usually by assigning a static string, but you >>> can use whatever constructs you want. Well - within reason. Making >>> something as critical as the system boot process depend on a bunch of >>> other files or processes is not a good idea on the whole. >>> >>> You can include multi-line whitespace in the variables by using single >>> quotes: >>> >>> jail_box_ip='66.252.2.4, >>> 66.252.2.5, >>> 66.252.2.6, >>> 66.252.2.7' >>> >>> Assuming that the init script that processes this data isn't phased >>> by the inclusion of a bit of whitespace. >>> >>> Or you can generate the required numbers, assuming they are >>> consecutive: >>> >>> jail_box_ip=$( jot -w "66.252.2.%d" -s "," 5 4 ) >>> >>> Cheers, >>> >>> Matthew >>> >>> -- >>> Dr Matthew J Seaman MA, D.Phil. 7 Priory Courtyard >>> Flat 3 >>> PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate >>> Kent, CT11 9PW >>> >>> >> >> >> -- >> http://www.home.no/reddvinylene >> > > >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4894B274.7060308>