bin/kramdown-man in kramdown-man-0.1.9 vs bin/kramdown-man in kramdown-man-1.0.0

@@ -1,16 +1,7 @@
 #!/usr/bin/env ruby
 
-lib_dir = File.expand_path('../lib',File.dirname(__FILE__))
+lib_dir = File.expand_path('../lib',__dir__)
 $LOAD_PATH.unshift(lib_dir) unless $LOAD_PATH.include?(lib_dir)
 
-require 'kramdown'
-require 'kramdown/man'
-
-case ARGV[0]
-when '-h', '--help'
-  warn "usage: #{File.dirname($0)} <INPUT.md >OUTPUT"
-  exit
-end
-
-doc = Kramdown::Document.new(ARGF.read)
-puts doc.to_man
+require 'kramdown/man/cli'
+exit Kramdown::Man::CLI.run(ARGV)