README

More info on: https://cemkeylan.com/blog/20200828-wpa-add-script.html

wpa_add

#!/bin/sh
# Script to add wpa_supplicant networks through dmenu

if [ "$1" ]; then
    name=$1
else
    name=$(dmenu -p "Please enter network name, leave empty if you want to search" <&-)
fi

[ "$name" ] || {
    wpa_cli scan
    name=$(
    wpa_cli scan_results | sed 1,2d | while read -r _ _ _ _ ssid _; do
        # Hidden wifi are not to be returned
        [ "$ssid" ] || continue
        echo "$ssid"
    done | sort -u | dmenu -l 10 -p "Please choose WiFi")
    [ "$name" ] || exit 1
}

pass=$(dmenu -P -p "Please enter your password, leave empty if the network has open access.")

if [ "$pass" ]; then
    wpa_passphrase "$name" <<EOF>> /etc/wpa_supplicant.conf
$pass
EOF
else
    printf 'network={\n\tssid="%s"\n\tkey_mgmt=NONE\n\tpriority=-999\n}\n' "$name" >> /etc/wpa_supplicant.conf
fi

wpa_cli reconfigure

wpa_add_cmd

#!/bin/sh -e
# Same but on command line with fzf (only for wifi selection)

stty="$(stty -g)"
trap "stty $stty" EXIT INT TERM HUP

if [ "$1" ]; then
    name=$1
else
    printf 'Network Name, leave empty if you want to search: '
    read -r name
fi

[ "$name" ] || {
    wpa_cli scan >/dev/null 2>&1
    name=$(
    wpa_cli scan_results | sed 1,2d | while read -r _ _ _ _ ssid _; do
        # Hidden wifi are not to be returned
        [ "$ssid" ] || continue
        echo "$ssid"
    done | sort -u | fzf --prompt "Please choose WiFi: ")
}

[ "$name" ] || exit 1

stty -echo
printf 'Please enter your password, leave empty if the network has open access.\nPassword: '
read -r pass

if [ "$pass" ]; then
    wpa_passphrase "$name" <<EOF>> /etc/wpa_supplicant.conf
$pass
EOF
else
    printf 'network={\n\tssid="%s"\n\tkey_mgmt=NONE\n\tpriority=-999\n}\n' "$name" >> /etc/wpa_supplicant.conf
fi

wpa_cli reconfigure