* .ic sets an initial node voltage; uic starts the tran from it
V1 in 0 DC 0
R1 in out 1k
C1 out 0 1u
.ic v(out)=1
.tran 10u 5m uic
.control
  run
  print v(out)[0]                 $ 1.0  (the initial condition)
  meas tran vend FIND v(out) AT=5m  $ decays ~ e^-5 toward 0
.endc
.end