View source for Ubuntu/disable wlan if wired/cable network is available

<div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output" style="background:#eee;border:1px solid #ccc;padding:5px 10px;">sudo nano /etc/NetworkManager/dispatcher.d/99-wlan</div> </div> </div> 
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<div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div class="mw-parser-output"><div style="background:#eee;border:1px solid #ccc;padding:5px 10px;">#!/bin/bash</div> <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;">eth0_status=$(cat /sys/class/net/eth0/operstate)<br/> enp0_status=$(cat /sys/class/net/enp0s31f6/operstate)<br/> wlan0_status=$(cat /sys/class/net/wlp2s0/operstate)</div> <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;">if [[ "$eth0_status" = "up" ]];<br/> &nbsp; &nbsp; then<br/> &nbsp; &nbsp; &nbsp; &nbsp; nmcli radio wifi off</div> <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;">elif [[ "$enp0_status" = "up" ]];<br/> &nbsp; &nbsp; then<br/> &nbsp; &nbsp; &nbsp; &nbsp; nmcli radio wifi off</div> <div style="background:#eee;border:1px solid #ccc;padding:5px 10px;">#elif [[ "$wlan0_status" = "down" ]] && [[ "$eth0_status" = "down" ]] && [["$enp0_status" = "down"]];<br/> # &nbsp; &nbsp;then<br/> else<br/> &nbsp; &nbsp; &nbsp; &nbsp; nmcli radio wifi on<br/> fi<br/> &nbsp;</div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div> </div>