Success: [eclipse]: current_module(M). M = eclipse More? (;) M = sepia_kernel More? (;) M = lists More? (;) M = sicstus More? (;) M = sorts More? (;) M = cprolog More? (;) M = quintus More? (;) M = strings More? (;) % type <cr> yes. Fail: current_module(not_a_module). Error: current_module("eclipse"). (Error 5).