Spacer is a command line program to replace underscores with spaces in all filenames in the directory it is called in. 


Directions:  Add Spacer to your PATH.  Navigate to the directory containing the files you want to rename and run Spacer


Notes: This program was tested with Ruby version 1.8.  Spacer is released under version 2 of the GPL (and only version 2).


Download: 

cmd iconzip icon Spacer 1.1.0

ruby iconzip icon Spacer 1.1.0 source