# File lib/eventmachine.rb, line 1161 1161: def self.popen cmd, handler=nil, *args 1162: klass = klass_from_handler(Connection, handler, *args) 1163: w = Shellwords::shellwords( cmd ) 1164: w.unshift( w.first ) if w.first 1165: s = invoke_popen( w ) 1166: c = klass.new s, *args 1167: @conns[s] = c 1168: yield(c) if block_given? 1169: c 1170: end