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openfoam/bin/foamClearPolyMesh
2008-07-17 10:03:16 +02:00

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#!/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
# foamClearPolyMesh
#
# Description
# Remove the contents of the constant/polyMesh directory
# as per the Foam::polyMesh::removeFiles() method.
#
#------------------------------------------------------------------------------
usage() {
while [ "$#" -ge 1 ]; do echo "$1" 1>&2; shift; done
cat <<USAGE 1>&2
usage: ${0##*/} [-case dir]
Remove the contents of the constant/polyMesh directory
as per the Foam::polyMesh::removeFiles() method.
USAGE
exit 1
}
unset caseDir
# parse a single option
if [ "$#" -gt 0 ]; then
case "$1" in
-h | -help)
usage
;;
-case)
shift
caseDir=$1
[ "$#" -ge 1 ] || usage "'-case' option requires an argument"
cd "$caseDir" 2>/dev/null || usage "directory does not exist: '$caseDir'"
;;
*)
usage "unknown option/argument: '$*'"
;;
esac
fi
# meshDir is only set if -case was specified: insist upon 'constant/polyMesh'
if [ -n "$caseDir" ]
then
# require constant/polyMesh
meshDir=constant/polyMesh
if [ ! -d "$meshDir" ]
then
echo "Error: no '$meshDir' in $caseDir" 1>&2
exit 1
fi
else
if [ -d constant/polyMesh ]
then
# use constant/polyMesh
meshDir=constant/polyMesh
elif [ -d polyMesh ]
then
# likely already in constant/
meshDir=polyMesh
elif [ "${PWD##*/}" = polyMesh ]
then
# apparently already within polyMesh/
meshDir=.
else
echo "Error: no appropriate 'polyMesh/' directory found" 1>&2
exit 1
fi
fi
#
# remove files and subdirectories
#
echo "Clearing ${caseDir:-.}/$meshDir" 1>&2
for i in \
points \
faces \
owner \
neighbour \
cells \
boundary \
pointZones \
faceZones \
cellZones \
meshModifiers \
parallelData \
sets \
;
do
rm -rf $meshDir/$i
done
#------------------------------------------------------------------------------