Return the full path to the cached gem file matching the given name and version requirement. Returns ‘nil’ if no match.
Example:
get_path('rake', '> 0.4') # -> '/usr/lib/ruby/gems/1.8/cache/rake-0.4.2.gem' get_path('rake', '< 0.1') # -> nil get_path('rak') # -> nil (exact name required)
[Validate]