TTF=$(($(/usr/sbin/i2cget -y 2 0x55 0x18 w))); CACD=$(($(/usr/sbin/i2cget -y 2 0x55 0x14 w)*3570/20000)); if [ $TTF -eq 65535 ] ; then echo "-$CACD mA" else echo "$CACD mA" fi