#!/bin/bash
if [ ! -z "$1" ]
then
    SAV_FILE=$1
else
    SAV_FILE="save.gtkw"
fi
./build #-pfileline=1
./simul
if [ $? != 0 ] 
then
    echo "BUILD FAILED"
    exit
fi
gtkwave test.vcd $SAV_FILE &> waves.log & 
echo all done