路径获取

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一:ros_path
1.cpp文件：
头文件 #include <ros/package.h>
ros::package::getPath(package_name.toStdString())

2.cmake:
catkin_package(
INCLUDE_DIRS include
LIBRARIES ${PROJECT_NAME}
CATKIN_DEPENDS
bzrobot_msgs
roscpp
roslib #添加这行
std_msgs
DEPENDS
)

3.package:
<build_depend>roslib</build_depend>
<run_depend>roslib</run_depend>

二:normo commonly path
char *home_var, *home_value;
home_var = "HOME";
home_value = getenv(home_var);

路径获取

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原文地址：http://www.cnblogs.com/cj2014/p/4535422.html