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Top Forums Shell Programming and Scripting Could you help me writing a script showing which network connections are currently active? Post 302934026 by babinlonston on Wednesday 4th of February 2015 06:40:30 AM
Old 02-04-2015
Quote:
Originally Posted by lordofazeroth
Could you help me writing a script showing which network connections are currently active?
Means output should be something like:
"eth0, wlan1, wlan3"

Problem:
The output is supposed to happen on a 16x2 LCD Display.
Currently I am doing a "Ifconfig" as output, but its too fast for the display.
Use the below command instead of using only ifconfig, ifconfig output will be greped and filters the inet line to get only the IP address.

Code:
ifconfig | grep inet

Sample output is here.

Image

Last edited by babinlonston; 02-04-2015 at 07:45 AM..
 

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IFCONFIG(8)						      System Manager's Manual						       IFCONFIG(8)

NAME
ifconfig - configure a TCP/IP device SYNOPSIS
ifconfig [-I ip-device] [-h ipaddr] [-n netmask] [-iv] DESCRIPTION
Ifconfig initializes a TCP/IP device setting the IP address and/or netmask. It will report the address and netmask set. This command may be used if the system has not been configured properly yet. It is only used at boot time to set a fixed address for a system without a physical ethernet. Normally the inet task will find it out by itself from the RARP server. OPTIONS
-h The decimal TCP/IP address to set. -n The netmask to set. -i Don't set the IP address or netmask if already set. This way ifconfig cannot interfere if the numbers have been found out by RARP. -v Report IP address and netmask. This is the default action if there are no other options. SEE ALSO
hostaddr(1), rarpd(8), set_net_default(8), boot(8). AUTHOR
Kees J. Bot (kjb@cs.vu.nl) IFCONFIG(8)
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