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get ip add using bash

Selfish Salmon answered on January 9, 2023 Popularity 9/10 Helpfulness 3/10

answer get ip add using bash

get ip add using bash

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#!/bin/sh
# Shell script scripts to read ip address
# -------------------------------------------------------------------------
# Copyright (c) 2005 nixCraft project <https://www.cyberciti.biz>
# This script is licensed under GNU GPL version 2.0 or above
# -------------------------------------------------------------------------
# This script is part of nixCraft shell script collection (NSSC)
# Visit https://bash.cyberciti.biz/ for more information.
# -------------------------------------------------------------------------
# Get OS name
OS="$(uname)"
IP="" # store IP
LIP="ifconfig" # default is ifconfig on Linux and BSD, but set to ip if not found below
# check for ifconfig command 
if ! type ifconfig >/dev/null
then
    if [ "$OS" != "Linux" ]
    then
        echo "$0 - ifconfig command not found on your $OS OS."
        exit 1 
    else
        if ! type ip >/dev/null
        then
            echo "$0 - ifconfig or ip command not found on your $OS OS."
            exit 1 
        else
            LIP="ip addr show"
        fi        
    fi
fi
#
# Supports Linux, macOS, FreeBSD, OpenBSD and SunOS Unix
#
case $OS in
   Linux) IP=$($LIP | grep 'inet'| grep -v '127.0.0.1' | cut -d: -f2 | awk 'NF>0{ print $2}');;
   FreeBSD|OpenBSD|Darwin) IP=$(ifconfig  | grep -E 'inet.[0-9]' | grep -v '127.0.0.1' | awk '{ print $2}') ;;
   SunOS) IP=$(ifconfig -a | grep inet | grep -v '127.0.0.1' | awk '{ print $2} ') ;;
   *) IP="Unknown";;
esac
echo "$IP"

Popularity 9/10 Helpfulness 3/10 Language shell

Source: bash.cyberciti.biz

Tags: add bash get ip shell using

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Contributed on Jan 09 2023

Selfish Salmon

0 Answers Avg Quality 2/10

get ip add using bash

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