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#!/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"
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