foamUpdateCaseFileHeader

#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 1991-2008 OpenCFD Ltd.
#    \\/     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
#     foamUpdateCaseFileHeader
#
# Description
#     Updates the header of application files.
#     By default, writes current version in the header.
#     Alternatively version can be specified with -v option.
#     Also removes consecutive blank lines from file.
#
#------------------------------------------------------------------------------
foamVersion=$WM_PROJECT_VERSION

usage() {
   cat<<USAGE

usage: ${0##*/} [OPTION] <file1> ... <fileN>

options:
  -v "<version>"  specifies the version to be written in the header
  -h              help

  Updates the header of application files.
  By default, writes current version in the header.
  Alternatively version can be specified with -v option.
  Also removes consecutive blank lines from file.

USAGE
   exit 1
}


printHeader() {
   cat<<HEADER
/*--------------------------------*- C++ -*----------------------------------*\\
| =========                 |                                                 |
| \\\\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\\\    /   O peration     | Version:  ${foamVersion}  |
|   \\\\  /    A nd           | Web:      http://www.OpenFOAM.org               |
|    \\\\/     M anipulation  |                                                 |
\\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ${1};
    class       ${2};
    object      ${3};
}
HEADER
}


#
# extract attribute '$1' from file '$2'
#
FoamFileAttribute() {
   sed -n -e 's/[ ;]*$//' -e "s/^ *$1 *//p" $2
}


#
# OPTIONS
#
OPTS=`getopt hv: $*`
if [ $? -ne 0 ]
then
   echo "Aborting due to invalid option"
   usage
fi
eval set -- '$OPTS'
while [ "$1" != "--" ]
do
   case $1 in
   -v)
      foamVersion=$2
      shift
      ;;
   -h)
      usage
      ;;
   esac
   shift
done
shift

[ $# -ge 1 ] || usage


# constant width for version
foamVersion=`printf %-36s $foamVersion`

#
# MAIN
#
for caseFile
do
   if grep FoamFile $caseFile >/dev/null 2>&1
   then
      echo "Updating case file: $caseFile"
      sed -n '/FoamFile/,/}/p' $caseFile > FoamFile.tmp

      CLASS=`FoamFileAttribute class FoamFile.tmp`
      OBJECT=`FoamFileAttribute object FoamFile.tmp`
      FORMAT=`FoamFileAttribute format FoamFile.tmp`

      printHeader $FORMAT $CLASS $OBJECT $NOTE > FoamFile.tmp
      sed '1,/}/d' $caseFile | sed '/./,/^$/!d' >> FoamFile.tmp

      # use cat to avoid removing/replace soft-links
      [ -s FoamFile.tmp ] && cat FoamFile.tmp >| $caseFile
      rm FoamFile.tmp
   else
      echo " Invalid case file: $caseFile"
   fi
done

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