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#!/bin/sh
if [ -z $1 ]; then
echo "usage: $(basename $0) <brightness:0-100>"
exit 1
fi
if (( $1 > 100 )) || (( $1 < 0 )); then
echo "usage: $(basename $0) <brightness:0-100>"
exit 1
fi
exec &>/dev/null
ddccontrol -r 0x10 -w $1 dev:/dev/i2c-8
if [ $? -ne 0 ]; then
echo "Error setting monitor brightness"
exit 1
fi
exit 0
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