获取当前目录绝对路径，参考canal run.sh里面的方式

case "`uname`" in
    Darwin)
        bin_abs_path=`cd $(dirname 
 
 
 
  
case "`uname`" in
    Darwin)
        bin_abs_path=`cd $(dirname $0); pwd`
        ;;
    Linux)
        bin_abs_path=$(readlink -f $(dirname $0))
        NET_MODE="--net=host"
        ;;
    *)
        NET_MODE="--net=host"
        bin_abs_path=`cd $(dirname $0); pwd`
        ;;
esac
BASE=${bin_abs_path}
echo "BASE: "$BASE
 
 
 
 
 
 
  
  

); pwd`
        ;;
    Linux)
        bin_abs_path=$(readlink -f $(dirname 
 
 
 
  
case "`uname`" in
    Darwin)
        bin_abs_path=`cd $(dirname $0); pwd`
        ;;
    Linux)
        bin_abs_path=$(readlink -f $(dirname $0))
        NET_MODE="--net=host"
        ;;
    *)
        NET_MODE="--net=host"
        bin_abs_path=`cd $(dirname $0); pwd`
        ;;
esac
BASE=${bin_abs_path}
echo "BASE: "$BASE
 
 
 
 
 
 
  
  

))
        NET_MODE="--net=host"
        ;;
    *)
        NET_MODE="--net=host"
        bin_abs_path=`cd $(dirname 
 
 
 
  
case "`uname`" in
    Darwin)
        bin_abs_path=`cd $(dirname $0); pwd`
        ;;
    Linux)
        bin_abs_path=$(readlink -f $(dirname $0))
        NET_MODE="--net=host"
        ;;
    *)
        NET_MODE="--net=host"
        bin_abs_path=`cd $(dirname $0); pwd`
        ;;
esac
BASE=${bin_abs_path}
echo "BASE: "$BASE
 
 
 
 
 
 
  
  

); pwd`
        ;;
esac
BASE=${bin_abs_path}
echo "BASE: "$BASEcase "`uname`" in
    Darwin)
        bin_a