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    #!/bin/sh
    #------------------------------------------------------------------------------
    # =========                 |
    # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    #  \\    /   O peration     |
    #   \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
    #    \\/     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 3 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, see <http://www.gnu.org/licenses/>.
    #
    # Script
    #     foamProcessInfo
    #
    # Description
    #     Collects user's process status information into file. File contains one
    #     line per process:
    #
    #        pid state command
    #
    #     state is one of 'RUNN' 'SUSP' 'OTHR',
    #     command is the argv[0]
    #
    #     Tested on Linux,IRIX,SunOS
    #
    #-------------------------------------------------------------------------------
    
    PROGNAME=`basename $0`
    TMPFILE=/tmp/${PROGNAME}$$.tmp
    AWKFILE=/tmp/${PROGNAME}$$.awk
    
    if [ `uname -s` = Linux ]
    then
        ECHO='echo -e'
    else
        ECHO='echo'
    fi
    
    
    if [ $# -ne 1 ]
    then
        echo "Error : $PROGNAME : insufficient arguments" 1>&2
        exit 1
    fi
    
    
    outputFile=$1
    rm -f $outputFile
    
    
    ARCH=`uname`
    
    #-- Force standards behaving ps
    #   Get info on all $USER processes
    case $ARCH in
      HP-UX*)
        UNIX95=a; export UNIX95
        ;;
      IRIX*)
        _XPG=1; export _XPG
        ;;
    esac
    
    case $ARCH in
      SunOS*)
        ps -e -o 'pid,f,s,comm' > $TMPFILE
        ;;
      HP-UX*)
        ps -e -o 'pid,flags,state,comm' > $TMPFILE
        ;;
      *)
        ps -e -o 'pid,flag,state,comm' > $TMPFILE
    esac
    
    
    rm -f $AWKFILE; touch $AWKFILE
    case $ARCH in
      IRIX*)
        echo '($2 == 40) || ($3 == "T") {print $1 " SUSP // " $4; next}' >> $AWKFILE
        echo '($3 == "R") || ($3 == "S") || ($3 == "D") {print $1 " RUNN // " $4; next}' >> $AWKFILE
        echo '{print $1 " OTHR // " $4}' >> $AWKFILE
        ;;
      Linux*)
        echo '($3 == "T") {print $1 " SUSP // " $4; next}' >> $AWKFILE
        echo '($3 == "R") || ($3 == "S") || ($3 == "D") {print $1 " RUNN // " $4; next}' >> $AWKFILE
        echo '{print $1 " OTHR // " $4}' >> $AWKFILE
        ;;
      SunOS*)
        echo '($3 == "T") {print $1 " SUSP // " $4; next}' >> $AWKFILE
        echo '($3 == "O") || ($3 == "S") || ($3 == "R") {print $1 " RUNN // " $4; next}' >> $AWKFILE
        echo '{print $1 " OTHR // " $4}' >> $AWKFILE
        ;;
      *)
        echo "Error : $PROGNAME : unsupported achitecture $ARCH"
        ;;
    esac
    
    $ECHO "(" > $outputFile
    tail +2 $TMPFILE | awk -f $AWKFILE >> $outputFile
    $ECHO ")" >> $outputFile
    
    rm -f $TMPFILE $AWKFILE
    
    #------------------------------------------------------------------------------