nvfantemp.sh

#!/bin/sh

#command="optirun -b none nvidia-settings -c :8"
command="nvidia-settings -c :0"
# fan speed offset from temperature value
offset=0
# sets the refresh interval in seconds
interval=10

# reset values upon termination
trap "{
    $command -a GPUFanControlState[gpu:0]=0 > /dev/null;
    echo Disabled fan control;
    exit 0;
}" SIGINT SIGTERM

# enable fan control
output=$($command -a GPUFanControlState[gpu:0]=1)
echo "Enabled fan control"

previous_temp=0
while [ "1" -eq "1" ]
do
    current_temp=$($command -t -q GPUCoreTemp[gpu:0] | tail -1)
    if [ "$current_temp" != "$previous_temp" ]
    then
        previous_temp="$current_temp"
        speed=$(($current_temp + $offset))
        # For nvidia drivers 340xx and below
        #output=$($command -a GPUCurrentFanSpeed[fan:0]=$speed)
        # For nvidia drivers above 340xx
        output=$($command -a GPUTargetFanSpeed[fan:0]=$speed)
        if [ "$1" == "-v" ]
        then
            echo "Fan speed: $(echo $output | awk -F' ' '{print $6}')"
        fi
    fi
    sleep "$interval"
done