#!/bin/csh -bf
#
# MergeITRFStacovs
#
# Created 1997/04/01 W. Prescott

#  Modifications:
#  1997/04/07 whp Changed to work completely in current directory.
#  2000/01/31 whp Now uses itrf97.

set TemplateDir = "."
set StacovsDir = "."
set RefDate = "93jan01"

#  Check number of arguments.
#  --------------------------
   if ($#argv != 0) then
      echo " "
      echo "Usage:  MergeITRFStacovs"
      echo " "
      echo "Merges all files of form"
      echo "$StacovsDir/itrf97.*.stacov --> $StacovsDir/gp.stacov"
      echo " "
      echo "Files of any other form, e.g. $StacovsDir/itrf97.*.stacov.x"
      echo "are not included"
      echo " "
      exit 1
   endif


if (-e $StacovsDir/gp.stacov) then
   echo "gp.stacov exists. Overwrite?"
   set answer = $<
else
   set answer = "y"
endif

if ($answer == "y" || $answer == "Y") then
   rm -f $TemplateDir/gp.stacov
   stamrg -i $StacovsDir/itrf97.*.stacov \
          -o $StacovsDir/gp.stacov \
          -v $RefDate
endif

exit