Find cached filename in Gem.path. Returns nil if the file cannot be found.
Extracts the Gem::Specification and raw metadata from the .gem file at path.
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]