a simple demo for linux shell
this script is used for up/down/left/right key pressed down,you can use it on your commandline game or commandline menu
a recycle bin for linux shell ,and you need use crontab -e or edit /etc/crontab to add a crontab ,like 00 20 * * * root bash /root/clean_trash.sh
this is the snake game by shell
format the json str