#!/bin/bash # dotfiles -- scripts/wifi.sh # author: johannst if="${BLOCK_INSTANCE:-wlp3s0}" [[ ! -d /sys/class/net/${if} ]] && exit 0 show_ap_mac=0 show_ap_quality=0 show_ap_name=0 for arg in "$@"; do case $arg in -aq | --ap_quality) show_ap_quality=1 ;; -am | --ap_mac) show_ap_mac=1 ;; -an | --ap_name) show_ap_name=1 ;; *) # ignore unknown ;; esac done AP_NAME=$(iwgetid -r $if) AP_MAC=$(iwgetid -a $if | sed 's/.*\(\([0-9A-F]\{2\}:\)\{5\}[0-9A-F]\{2\}\).*/\1/') AP_QUALITY=$(grep $if /proc/net/wireless | awk '{ print int($3 * 100 / 70) }')% # first ipv4 addr IP_ADDR=$(ip address show $if | grep 'inet ' | sed 's/\s\+inet \([0-9.]\+\)\/.*/\1/') OUT="$IP_ADDR" if [[ $show_ap_name == 1 && $show_ap_quality == 1 ]]; then OUT="$OUT ($AP_NAME $AP_QUALITY)" elif [[ $show_ap_name == 1 ]]; then OUT="$OUT ($AP_NAME)" elif [[ $show_ap_quality == 1 ]]; then OUT="$OUT ($AP_QUALITY)" fi [[ $show_ap_mac == 1 ]] && OUT="$OUT $AP_MAC" echo "$OUT"