#!/bin/sh
set -e
setting=`dimplex-get`
echo Current: $setting

setting2=`echo "$setting" | tr -cd '[:digit:]'`
if [ "$setting" != "$setting2" ]; then
    echo Invalid current value
    exit 1
fi

newsetting=$(($setting + 1))

if [ $newsetting -gt 30 ]; then
    echo "New value too high"
    exit 1
fi
if [ $newsetting -lt 10 ]; then
    echo "New value too low"
    exit 1
fi

dimplex-set $newsetting