.files/dotfiles/config/polybar/refresh_bar_usb_nic.sh
Philip Henning c377eb276a consolidate and templeate my to files
in order to stop maintainung different files for each operationg system
2021-09-11 23:45:56 +02:00

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#!/usr/bin/env bash
#
# {{@@ header() @@}}
#
# This script detects if an USB NIC was connected and reloads the bar
#
while true; do
# Get PID of the bottom bar
pid_bottom_bar=$(ps -x | awk '!/awk/ && /9560-bottom/ {print $1}')
# 1st USB port (right)
if [[ -z ${USB_NIC1} ]]; then
USB_NIC1=$(ip link | awk '!/awk/ && /enp0s20f0u1/ {print $2}' | cut -d":" -f1)
if [[ -n ${USB_NIC1} ]]; then
polybar-msg -p ${pid_bottom_bar} cmd restart
fi
elif [[ -n ${USB_NIC1} ]]; then
USB_NIC1_CHECK=$(ip link | awk '!/awk/ && /enp0s20f0u1/ {print $2}' | cut -d":" -f1)
if [[ -z ${USB_NIC1_CHECK} ]]; then
unset USB_NIC1
polybar-msg -p ${pid_bottom_bar} cmd restart
fi
fi
# 2nd USB port (left)
if [[ -z ${USB_NIC2} ]]; then
USB_NIC2=$(ip link | awk '!/awk/ && /enp0s20f0u2/ {print $2}' | cut -d":" -f1)
if [[ -n ${USB_NIC2} ]]; then
polybar-msg -p ${pid_bottom_bar} cmd restart
fi
elif [[ -n ${USB_NIC2} ]]; then
USB_NIC2_CHECK=$(ip link | awk '!/awk/ && /enp0s20f0u2/ {print $2}' | cut -d":" -f1)
if [[ -z ${USB_NIC2_CHECK} ]]; then
unset USB_NIC2
polybar-msg -p ${pid_bottom_bar} cmd restart
fi
fi
sleep 5
done