1. ctrl-o open the list file containing all filenames. 2. ctrl-h open 'replace' dialog * set 'search for pattern' to:
* set 'replace with pattern' to:
3. click 'replace', base file name is removed. 4. open 'replace->replace by template->line replace->remove all duplicate lines' menu 5. click 'ok', click 'replace', all duplicate lines will be removed. 6. ctrl-s save to disk.