bash - 如何在bash中检索f5

Question

任何人都建议如何修复此代码？读取时 F5 出现问题。请帮忙..

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