#!/usr/bin/env bash hour=$(date +%H | sed 's/^0//') minute=$(date +%M | sed 's/^0//') second=$(date +%S | sed 's/^0//') printf "_clock_face_hand_hour_ rotate 0 0 -%s\n" "$[$hour * 30 + ($minute / 2)]" printf "_clock_face_hand_minute_ rotate 0 0 -%s\n" "$[$minute * 6]" printf "_clock_face_hand_second_ rotate 0 0 -%s\n" "$[$second * 6]"