jail_box_ip="<insert hundreds of ips here>"
Redd Vinylene
reddvinylene at gmail.com
Sat Aug 2 18:10:24 UTC 2008
Can something similar be used for my
ifconfig_rl0_aliasN="inet 66.252.2.N netmask 255.255.255.255"
as well?
On Sat, Aug 2, 2008 at 8:07 PM, Redd Vinylene <reddvinylene at gmail.com> wrote:
> jail_box_ip=$( jot -w "66.252.2.%d" -s "," 124 4 )
>
> What a gorgeous solution ;)
>
> Thanks man!
>
> On Sat, Aug 2, 2008 at 7:37 PM, Matthew Seaman
> <m.seaman at infracaninophile.co.uk> wrote:
>> Redd Vinylene wrote:
>>>
>>> Hey, I got a couple of hundred IPs, is there an easy way to add them
>>> all to jail_box_ip="ip1,ip2,ip3" without making like the longest line
>>> ever?
>>>
>>> Like this?
>>>
>>> jail_box_ip="66.252.2.4,\
>>> 66.252.2.5,\
>>> 66.252.2.6,\
>>>
>>> Unfortunately that doesn't look too good.
>>>
>>> Nor does:
>>>
>>> export x=$(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
>
--
http://www.home.no/reddvinylene
More information about the freebsd-jail
mailing list