The last blank line in qoca.drv file matters.

It is mandatory that there is a blank line at the end of the QOCA driver file. Otherwise, the qoca will stop at an error of fmt string. For example:

tianyf@tyf tmp]$ qoca q1.drv

--------------------------------------------------------------------------------
                 QOCA version:      1.32 12/28/2007
--------------------------------------------------------------------------------

  drive file name: q1.drv
  coordinate file name: itrf00.net
  input list file name: mrgqob/snxes.qob
  output file name: virtual_run.out
  mapping file name: virtual_run.map
  UTPM table file: pmu.bull_a
  leap-second table file: leap.sec
  screening file: tmp.screen
  reference frame: WGS84
  rtime,comode:  1986.465 2
  solution combination mode: 2
  filtering mode: forward
  network adjust parameter: xyzuvws 1
fmt: end of file
apparent state: unit 8 named q1.drv
last format: (a)
lately reading sequential formatted external IO
Aborted (core dumped)

This thing bothered me much. Ha..