flags). If you specify any flags at all and still want glob
to be case-insensitive, you must include C<GLOB_NOCASE> in the flags.
-The path separator is ':' (aka colon), not '/' (aka slash). Mac OS users
-should be careful about specifying relative pathnames. While a full path
-always begins with a volume name, a relative pathname should always
-begin with a ':'. If specifying a volume name only, a trailing ':' is
-required.
-
The specification of pathnames in glob patterns adheres to the usual Mac
OS conventions: The path separator is a colon ':', not a slash '/'. A
full path always begins with a volume name. A relative pathname on Mac