#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | foam-extend: Open Source CFD
#  \\    /   O peration     | Version:     4.0
#   \\  /    A nd           | Web:         http://www.foam-extend.org
#    \\/     M anipulation  | For copyright notice see file Copyright
#------------------------------------------------------------------------------
# License
#     This file is part of foam-extend.
#
#     foam-extend is free software: you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by the
#     Free Software Foundation, either version 3 of the License, or (at your
#     option) any later version.
#
#     foam-extend is distributed in the hope that it will be useful, but
#     WITHOUT ANY WARRANTY; without even the implied warranty of
#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
#     General Public License for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
#
# Script
#     foamSolverSweeps
#
# Description
#
#------------------------------------------------------------------------------

#-- settings
timeFile=/tmp/FOAM_iters.time
runTimeFile=/tmp/FOAM_iters.rtime
piterFile=/tmp/FOAM_iters.piters
uiterFile=/tmp/FOAM_iters.uiters

echo "timeFile=$timeFile"
echo "runTimeFile=$runTimeFile"
echo "piterFile=$piterFile"
echo "uiterFile=$uiterFile"
echo ""


# sumFile <file>
#
# prints sum of all numbers in file
sumFile () {
  sum=0
  for num in `cat $1`
  do
    sum=`expr $sum + $num`
  done
  echo $sum
}



# Main
#~~~~~~

echo "Name of log file (LOG) : \c"
read logFile
logFile=${logFile:-LOG}


foamProgram=`grep '< .* >' ${logFile} | awk '{print $2}'`
echo ""
echo "Program: ${foamProgram}"


grep 'ExecutionTime =' ${logFile} > ${runTimeFile}
echo ""
echo "Runtime:"
echo "  1st iter  : "`head -1 ${runTimeFile}`
echo "  overall   : "`tail -1 ${runTimeFile}`

grep '^Time =' ${logFile} > ${timeFile}
echo ""
echo "Simulation:"
echo "  steps: "`wc -l ${timeFile} | awk '{print $1}'`
echo "  from : "`head -1 ${timeFile}`
echo "  to   : "`tail -1 ${timeFile}`
echo ""

grep 'Solving for p,' ${logFile} | awk '{print $15}' > ${piterFile}
grep 'Solving for U' ${logFile} | awk '{print $15}' > ${uiterFile}


echo "Solver sweeps:"
echo "  p           : "`sumFile ${piterFile}`
echo "  U(U0,U1,U2) : "`sumFile ${uiterFile}`
echo ""


rm ${timeFile}
rm ${runTimeFile}
rm ${piterFile}
rm ${uiterFile}

#------------------------------------------------------------------------------