Kill screen session using command line & bash

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To kill an active screen, use the following command:

$ screen -S myscreen -X quit

To use this in a bash script, use the following:

# Kill screen if running sessionname="myscreen" if [ $(screen -list | grep "$sessionname" | wc --lines) -ge 1 ]; then     echo "screen session $sessionname is running"     screen -S "$sessionname" -X "quit" fi