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havenwood/getarrow.rb

Created May 23, 2014 21:09
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Detect an arrow key press.
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getarrow.rb
require 'io/console'
ARROWS = {"[A"=>:up, "[B"=>:down, "[C"=>:right, "[D"=>:left}
char = STDIN.getch
ARROWS[STDIN.read_nonblock(2)] if char == "\e"
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