[LBo] looking for command

[Chris F.A. Johnson]

On Sun, 18 Mar 2007, TerryJ wrote:
> Chris F.A. Johnson wrote:
>>  On Sat, 17 Mar 2007, Chris F.A. Johnson wrote:
>> >  On Sat, 17 Mar 2007, Ray wrote:
>> > 
>> > >   I'm looking for a command that will provide my own IP address
>> > >   suitable to pass as a commandline paramater to another program.
>> > >   I am aware of ifconfig and arp and if need be I can parse their
>> > >   output, (or just do it manually), but if there is an easier way....
>> > >   What I want is a command that just returns my internal ip address.
>> > >   i.e. command foo -> 192.168.0.104
>> > >   is there any such thing?
>>
>>     Missing line:
>>
>>  sep=addr:
>> 
>> >  if=eth0  ## adjust to taste
>> >  temp=$(ifconfig "$if")
>> >  temp=${temp#*"$sep"}
>> >  ip=${temp%% *}
>
> How do you get a print of that?

   The same way you print anything:

printf "%s\n" "$ip"

   Or:

printf "%s\n" "${temp%% *}"

-- 
    Chris F.A. Johnson                      <http://cfaj.freeshell.org>
    ===================================================================
    Author:
    Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)