1 #!/bin/bash 2 old_tty_settings=$(stty -g) # 保存老的设置(为什么?). 3 stty -icanon 4 Keypress=$(head -c1) # 或者使用$(dd bs=1 count=1 2> /dev/null) 5 echo "Key pressed was \""$Keypress"\"." 6 stty "$old_tty_settings" # 恢复老的设置. 7 exit 0
