dwmblocks/scripts/dwmblocks-network

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#!/usr/bin/env zsh
if [[ "$(uname)" = 'Linux' ]]; then
local active_networks="$(nmcli c s --active)"
local output=''
[[ "${active_networks}" = *' wifi '* ]] && output="${output}"
[[ "${active_networks}" = *' wireguard '* ]] && output="${output}"
(( ${#output} == 0 )) && output=''
bluetoothctl show | grep 'Powered: yes' >/dev/null && output="${output}"
printf '%s\n' "${output}"
else
echo "${0}: error: unknown os: \"$(uname)\"" >&2
exit 1
fi