#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright held by original author
#    \\/     M anipulation  |
#-------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM 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 2 of the License, or (at your
#     option) any later version.
#
#     OpenFOAM 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 OpenFOAM; if not, write to the Free Software Foundation,
#     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# 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}

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