adding copy_session method to .irbrc which takes the history of the c…

…urrent session and copies it to the clip board

irbrc

@@ -39,6 +39,14 @@ def copy(str)
   IO.popen('pbcopy', 'w') { |f| f << str.to_s }
 end
 
+def copy_session
+  history = Readline::HISTORY.entries
+  index = history.rindex("exit") || -1
+  content = history[(index+1)..-2].join("\n")
+  puts content
+  copy content
+end
+
 def paste
   `pbpaste`
 end