'How to send a cmd to a screen session
I am creating an game server (Don’t_Starve_Together_Dedicated_Servers) , I want to periodically send a message to the game client，the game server privide an api is 'c_announce("the message here").
And now I use screen -S master to create a new session, and run the main progame
At this time it will wait for my input, if at this point I enter the information and it will success, and then I use ctrl+A d to Detached this session.
And I add */5 * * * * steam screen -X master c_announce("hello") to /etc/crontab to create scheduled task,but the cmd is wrong.
Actually, the cmd screen -X master c_announce("hello") doesn't work. There is no message send in game client.And I tried using echo 'c_announce("hello") > screen -r master、echo 'c_announce("hello") > screen -X master，but they are all no responce.
Poor english, please forgive me. thanks for answer!
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