#! /bin/csh -f

# initialize the counter
@ i=1

# remove the temporary files, if they exist. This is in case this shell
# script is interupted before finishing and cleaning up.

/bin/rm tmpdata
/bin/rm tmppos
/bin/rm tmpheaddata
/bin/rm tmpheadpos
/bin/rm tmpheadfield
/bin/rm tmpdatafile.dx


while ($i <= 100)

   @ data = ($i % 3) + ($i % 5) + ($i % 11) + ($i % 17)

#  write out the new temp data file 
   echo "$data" >> tmpdata

#  write out the new temp positions file
   echo "$i" >> tmppos

#  write out the new temp header files
   echo "object 1 class array type float rank 1 shape 1 items $i" > tmpheadpos
   echo "   data follows" >> tmpheadpos
   echo "object 2 class array type float rank 0 items $i " > tmpheaddata
   echo "   data follows" >> tmpheaddata
   echo '   attribute "dep" string "positions" ' > tmpheadfield
   echo "object 3 class field" >> tmpheadfield
   echo '   component "positions" value 1' >> tmpheadfield
   echo '   component "data" value 2' >> tmpheadfield

#  put it all together 
   cat tmpheadpos tmppos tmpheaddata tmpdata tmpheadfield > tmpdatafile.dx
   mv tmpdatafile.dx datafile.dx

#  increment the counter
   @ i++

# pause for awhile
  sleep 1
end

# remove temporary files
/bin/rm tmpdata
/bin/rm tmppos
/bin/rm tmpheaddata
/bin/rm tmpheadpos
/bin/rm tmpheadfield
/bin/rm tmpdatafile.dx