string format and refinements
require 'pathname' module PathRefinement refine Pathname do def to_s '"%s"' % self end end end module Builder using PathRefinement def call(s,params) cmd = s % params puts cmd system(cmd) end module_function :call end file = Pathname($0).expand_path Builder.call("cat %s", file)
C:\Users\Dominic E Sisneros\source\repos\ruby\refine_pathname>ruby system_refinement.rb cat C:/Users/Dominic E Sisneros/source/repos/ruby/refine_pathname/system_refinement.rb cat: 'C:/Users/Dominic': No such file or directory cat: E: No such file or directory cat: Sisneros/source/repos/ruby/refine_pathname/system_refinement.rb: No such file or directory
cat \"C:/Users/Dominic E Sisneros/source/repos/ruby/refine_pathname/system_refinement.rb\"
%s is supposed to call
Updated by jeremyevans0 (Jeremy Evans) almost 3 years ago
- Tracker changed from Bug to Feature
- Backport deleted (
2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN)
This isn't a bug, as it is currently expected that refinements would not be used in this case. Switching this to a feature request.