- fix: prevent a growing cache file, remove old content before a new scan

deep_fixitycheck.pl

@@ -64,6 +64,7 @@ sub searching_ie_files ($$) {
         and $File::Find::prune = 1;
     if (-d $_) { $first_two_levels_of_dirs++;}
   };
+  $tmp_ies_unsorted_path->spew_utf8("");
   find( $wanted_twolevel_dircount, $dir);
   my $progressbar=Time::Progress->new(min => 0, max => $first_two_levels_of_dirs, smoothing => 1);
   my $dircount = 0;