day11/run2.sh

   1 #!/bin/bash
   2
   3 set -u
   4 set -e
   5
   6 exec 3<input.txt
   7
   8 OLDIFS=$IFS
   9 IFS=","
  10 read -u 3 -a data
  11 IFS=$OLDIFS
  12
  13 base_dir=$(dirname $(readlink -f $BASH_SOURCE))
  14 . computer.sh
  15 . robot.sh
  16
  17 coproc computer (run_program data)
  18
  19 reset_robot
  20 set_robot_start_on_white 1
  21
  22 check_pid=$computer_PID
  23
  24 while ( kill -0 $check_pid > /dev/null 2>&1 ); do
  25     get_robot_paint_colour >&${computer[1]}
  26     read -u ${computer[0]} direction
  27     read -u ${computer[0]} colour
  28     do_robot_paint_and_move $direction $colour
  29     sleep 0.1
  30 done
  31
  32 # just incase the spinner is still about
  33 echo -n $'\r'"                "$'\r'
  34
  35 echo "Part 2:"
  36 draw_panel