helpers

#!/bin/bash

anywait(){
	for pid in "$@"; do
		while kill -0 "$pid" 2> /dev/null; do
			echo -n "."
			sleep 0.5
		done
	done
}

urlencode() {
		# urlencode <string>
		old_lc_collate=$LC_COLLATE
		LC_COLLATE=C

		local length="${#1}"
		for (( i = 0; i < length; i++ )); do
				local c="${1:$i:1}"
				case $c in
						[a-zA-Z0-9.~_-]) printf "%s" "$c" ;;
						*) printf '%%%02X' "'$c" ;;
				esac
		done

		LC_COLLATE=$old_lc_collate
}

mac_find_active_service() {
	services="$(networksetup -listnetworkserviceorder | grep 'Hardware Port')"

	while read -r line; do
		sname="$(echo "$line" | awk -F  "(, )|(: )|[)]" '{print $2}')"
		sdev="$(echo "$line" | awk -F  "(, )|(: )|[)]" '{print $4}')"
		#echo "Current service: $sname, $sdev, $currentservice"
		if [ -n "$sdev" ]; then
			ifconfig "$sdev" 2>/dev/null | grep 'status: active' > /dev/null 2>&1
			rc="$?"
			if [ "$rc" -eq 0 ]; then
				currentservice="$sname"
			fi
		fi
	done <<< "$services"

	if [ -n "$currentservice" ]; then
		echo "$currentservice"
	else
		>&2 echo "Could not find current service"
		exit 1
	fi
}

mac_notify() {
	/usr/bin/osascript -e "display notification \"$*\""
}

detect_os() {
	echo $(uname -s)
}