如何在Bash中检索F5

Question

有人建议如何修复此代码？读取中F5的问题。请帮助..

read -sn3 KEY
case "$KEY" in
     $'x1b[A') echo "press arrow up";;
     $'x1b[B') echo "press arrow down";;
     $'???') echo "press key F5";;
esac

谢谢大家的帮助

Answer 1

$ od -c <<< "<Ctrl-V><F5>"
0000000 033   [   1   5   ~  n
0000006