bin/est in est-0.2 vs bin/est in est-0.2.1

@@ -65,18 +65,23 @@
   exit
 end
 
 Encoding.default_external = Encoding::UTF_8
 Encoding.default_internal = Encoding::UTF_8
-file = opts.file? ? File.new(opts[:file], 'w') : STDOUT
+if opts.file?
+  file = File.new(opts[:file], 'w')
+  Est.log.info "output saving into #{file.path}"
+else
+  file = STDOUT
+end
 output = Est::Base.new(opts).xml
 if opts[:format].nil? || opts[:format] == 'text'
   xslt = File.join(
     File.dirname(File.dirname(__FILE__)),
     'assets', 'est-text.xsl'
   )
-  output = Nokogiri::XSLT(File.read(xslt)).transform(Nokogiri::XML(output))
+  output = Nokogiri::XSLT(File.read(xslt)).apply_to(Nokogiri::XML(output))
 elsif opts[:format] == 'html'
   Est.log.info 'using HTML format'
   xslt = File.join(
     File.dirname(File.dirname(__FILE__)),
     'assets', 'est.xsl'
@@ -86,6 +91,5 @@
   Est.log.info 'using XML format'
 else
   fail 'invalid format, use html, text, or xml'
 end
 file << output
-Est.log.info "output saved into #{file}"