customshell/ifether at master · elppans/customshell · GitHub

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#!/bin/bash

##	COD v.01
#if ( ifconfig | grep Link ) >> /dev/null
#		then
#	ifconfig | cut -d " " -f "1" | head -1
#		else
#	ifconfig | cut -d ":" -f "1" | head -1
#fi

##	COD V.02
#ifconfig | head -1 | awk '{print $1}' | cut -d ":" -f "1" | head -1

##	COD V.03
#ifconfig | head -1 | awk '{print $1}'

##	COD v.04
#if ( ifconfig | grep Link ) >> /dev/null
#		then
#	ifconfig | head -1 | awk '{print $1}'
#		else
#	ifconfig | head -1 | awk '{print $1}' | cut -d ":" -f "1"
#fi

##	COD v.05
case "$1" in
	-a)
if ( ifconfig | grep Link ) >> /dev/null
		then
	ifconfig -a | head -1 | awk '{print $1}'
		else
	ifconfig -a | head -1 | awk '{print $1}' | cut -d ":" -f "1"
fi
	;;
	*)
if ( ifconfig | grep Link ) >> /dev/null
		then
	ifconfig | head -1 | awk '{print $1}'
		else
	ifconfig | head -1 | awk '{print $1}' | cut -d ":" -f "1"
fi
	;;
esac