* setplot lists the plots (one per analysis run); display shows a plot's vectors
V1 in 0 AC 1 SIN(0 1 1k)
R1 in out 1k
C1 out 0 100n
.control
  op                 $ -> plot op1
  ac dec 10 1 1meg   $ -> plot ac1
  tran 20u 1m        $ -> plot tran1
  setplot            $ list all plots, marks the current
  setplot ac1        $ switch to the AC plot
  display            $ vectors in ac1
.endc
.end