Deletes a list of files. Returns the number of files successfully deleted.
$cnt = unlink 'a', 'b', 'c'; unlink @goners; unlink <*.bak>;
unlink will not delete directories unless you are superuser and the -U flag is supplied to Perl. Even if these conditions are met, be warned that unlinking a directory can inflict damage on your filesystem. Use
If LIST is omitted, uses