Glob and space in directory name

From: Boris Shor (bshor_at_Princeton.EDU)
Date: 11/26/03 

To: <beginners@perl.org>
Date: Wed, 26 Nov 2003 15:58:32 -0500

Why does the following work (eg, give me an array filled with matching file
names):

@filelist = glob("w:/stleg/Colorado/House_98/*.htm");

And when I rename the directory to "House 98" (space instead of underscore),
the following does not:

@filelist = glob("w:/stleg/Colorado/House 98/*.htm");

Thanks!