Link.GetFileName
files ←  ⎕SE.Link.GetFileName items
Returns the fully qualified name of the file containing the source of the given APL item. See also ⎕SE.Link.GetItemName.
Arguments
- A simple vector with an APL item name, or a vector enclosed names. The result will have the same structure as the argument.
 
Result
- For each APL item name:
 - if item does not exist or does not belong to a linked namespace: empty vector
 - otherwise: file name that the item is linked to