Can't load module File::Glob, dynamic loading not available in this perl.
  (You may need to build a new perl executable which either supports
  dynamic loading or has the File::Glob module statically linked into it.)
Compilation failed in require at search.pl line 8.
BEGIN failed--compilation aborted at search.pl line 8.
Undefined subroutine &main::search_files called at search.pl line 8.