cdm/src/main/java/ucar/nc2/dataset/DatasetConstructor.java
static public void transferGroupAttributes(Group src, Group target) {
    for (Attribute a : src.getAttributes()) {
      if (null == target.findAttribute(a.getShortName()))
        target.addAttribute(a);
    }
  }
static public void transferGroupAttributes(Group src, Group target) {
    for (Attribute a : src.getAttributes()) {
      if (null == target.findAttribute(a.getShortName()))
        target.addAttribute(a);
    }
  }
static public void transferGroupAttributes ( Group src , Group target ) { for ( Attribute a : src . getAttributes ( ) ) { if ( null == target . findAttribute ( a . getShortName ( ) ) ) target . addAttribute ( a ) ; } }
Copy attributes from src to target, skip ones that already exist (by name)
@param src copy from here
@param target copy to here
Copy attributes from src to target skip ones that already exist ( by name )