list embedded files of PDF/A()
This function creates/fills a list b with the names of all files embedded in a PDF/A3 file a.
The return value is the number of embedded files found, or 0 if an error occurred.
Parameters
| 
     Parameter  | 
                
     Description  | 
        
| 
     a  | 
                
     Path to the PDF/A3 file.  | 
        
| 
     b  | 
                
     Name of the list in which the names of the embedded files are written. Important note: The list is emptied before that, if it already exists.  | 
        
Example
We assume that the PDF/A3 file mya3.pdf contains two embedded files.
| 
     Parameter a  | 
                
     Parameter b  | 
                
     Result  | 
        
| 
     ./conf/myfiles/mya3.pdf  | 
                
     mylist  | 
                
     2 (and the list mylist contains the names of the two embedded files )  |