ruby/mal_readline.rb

   1 require "readline"
   2
   3 $history_loaded = false
   4 $histfile = "#{ENV['HOME']}/.mal-history"
   5
   6 def _readline(prompt)
   7     if !$history_loaded && File.exist?($histfile)
   8         $history_loaded = true
   9         if File.readable?($histfile)
  10             File.readlines($histfile).each {|l| Readline::HISTORY.push(l.chomp)}
  11         end
  12     end
  13
  14     if line = Readline.readline(prompt, true)
  15         if File.writable?($histfile)
  16             File.open($histfile, 'a+') {|f| f.write(line+"\n")}
  17         end
  18         return line
  19     else
  20         return nil
  21     end
  22 end