bin/foamClearPolyMesh

   1 #!/bin/sh
   2 #------------------------------------------------------------------------------
   3 # =========                 |
   4 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   5 #  \\    /   O peration     |
   6 #   \\  /    A nd           | Copyright (C) 2004-2011 OpenCFD Ltd.
   7 #    \\/     M anipulation  |
   8 #-------------------------------------------------------------------------------
   9 # License
  10 #     This file is part of OpenFOAM.
  11 #
  12 #     OpenFOAM is free software: you can redistribute it and/or modify it
  13 #     under the terms of the GNU General Public License as published by
  14 #     the Free Software Foundation, either version 3 of the License, or
  15 #     (at your option) any later version.
  16 #
  17 #     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
  18 #     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19 #     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  20 #     for more details.
  21 #
  22 #     You should have received a copy of the GNU General Public License
  23 #     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
  24 #
  25 # Script
  26 #     foamClearPolyMesh
  27 #
  28 # Description
  29 #    Remove the contents of the constant/polyMesh directory
  30 #    as per the Foam::polyMesh::removeFiles() method.
  31 #
  32 #------------------------------------------------------------------------------
  33 usage() {
  34     exec 1>&2
  35     while [ "$#" -ge 1 ]; do echo "$1"; shift; done
  36     cat <<USAGE
  37
  38 Usage: ${0##*/} [OPTION]
  39 options:
  40   -case <dir>       specify alternative case directory, default is the cwd
  41   -region <name>    specify alternative mesh region
  42   -help             print the usage
  43
  44 Remove the contents of the constant/polyMesh directory as per the
  45 Foam::polyMesh::removeFiles() method.
  46
  47 USAGE
  48    exit 1
  49 }
  50
  51 unset caseDir regionName
  52
  53 # parse a single option
  54 while [ "$#" -gt 0 ]
  55 do
  56     case "$1" in
  57     -h | -help)
  58         usage
  59         ;;
  60     -case)
  61         [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
  62         cd "$2" 2>/dev/null || usage "directory does not exist:  '$2'"
  63         caseDir=$2
  64         shift 2
  65         ;;
  66     -region)
  67         [ "$#" -ge 2 ] || usage "'$1' option requires an argument"
  68         regionName=$2
  69         shift 2
  70         ;;
  71     *)
  72         usage "unknown option/argument: '$*'"
  73         ;;
  74     esac
  75 done
  76
  77 if [ -n "$regionName" ]
  78 then
  79     meshDir=$regionName/polyMesh
  80 else
  81     meshDir=polyMesh
  82 fi
  83
  84 # if -case was specified: insist upon 'constant/polyMesh'
  85 if [ -n "$caseDir" ]
  86 then
  87     if [ -d constant/$meshDir ]
  88     then
  89         # use constant/polyMesh
  90         meshDir=constant/$meshDir
  91     else
  92        echo "Error: no 'constant/$meshDir' in $caseDir" 1>&2
  93        exit 1
  94     fi
  95 else
  96     if [ -d constant/$meshDir ]
  97     then
  98         # use constant/polyMesh
  99         meshDir=constant/$meshDir
 100     elif [ -d $meshDir ]
 101     then
 102         # likely already in constant/ - do not adjust anything
 103         :
 104     elif [ "${PWD##*/}" = polyMesh -a -z "$regionName" ]
 105     then
 106         # apparently already within polyMesh/
 107         meshDir=.
 108     else
 109         echo "Error: no appropriate 'polyMesh/' directory found" 1>&2
 110         exit 1
 111     fi
 112 fi
 113
 114
 115 #
 116 # remove files (mesh itself, modifiers, snappyHexMesh ones) and subdirectories
 117 # also remove .gz versions of the same files
 118 #
 119 echo "Clearing ${caseDir:-.}/$meshDir" 1>&2
 120
 121 for i in \
 122     points \
 123     faces \
 124     owner \
 125     neighbour \
 126     cells \
 127     boundary \
 128     pointZones \
 129     faceZones \
 130     cellZones \
 131     meshModifiers \
 132     parallelData \
 133     sets \
 134     cellLevel \
 135     pointLevel \
 136     refinementHistory \
 137     surfaceIndex \
 138 ;
 139 do
 140     rm -rf $meshDir/$i $meshDir/$i.gz
 141 done
 142
 143 #------------------------------------------------------------------------------