I tried the copytable command, but being my first time using it, I probably did not do it right. I attached the template to this reply. Basically, if I understand you correctly, the user would click the button and that would send the data from the first repeating table to a second one that is in another view.
First Repeating Table: Secondary Data Source
Second Repeating Table: Main data source
Command: CopyTable /tablesrc=/dfs:myFields/dfs:dataFields /rowsrc=/d:SharePointListItem_RW /tabledest=/my:myFields/my:group1 /rowdest=/my:dpAWHGroup