gudgo

#!/bin/bash

# Simple script to handle execution of Gudrun, offering ability to specify target input file to load on startup

GUDRUNBASE=/home/tris/src/Gudrun2016/Gudrun

# Check for input file
if [ $# -eq 0 ]; then
  echo "No input file supplied - starting Gudrun with default startup file..."

  cd $GUDRUNBASE

  # Reconstruct vanilla sysparN
  rm GudrunGUI.sysparN
  echo "bin/gudrun_dcs;" > GudrunGUI.sysparN
  echo "bin/purge_det;" >> GudrunGUI.sysparN
  echo "rungnuplot.sh;" >> GudrunGUI.sysparN
  echo "rungnuplotplot.sh;" >> GudrunGUI.sysparN
  echo "/home/tris/src/Gudrun2016/Gudrun/StartupFiles/NIMROD/NIMRODstartup.txt;" >> GudrunGUI.sysparN
  echo ";" >> GudrunGUI.sysparN

  # Run gudrun
  java -Xmx1g -Duser.language=en -cp "./GudrunGUI" -jar "./GudrunGUI/GudrunGUI_4.jar" N
else
  # An argument was supplied, which we will assume is a valid input file...
  # However, we need to know if its a relative or absolute path to the input file...
  if [[ "$1" = /* ]]; then
    # Absolute path - keep as is
    INPUTFILE=$1
  else
    # Relative path - convert to absolute path
    INPUTFILE=`pwd`/$1
  fi

  # Now, check if input file exists...
  if [ ! -e $INPUTFILE ]; then
    echo "Specified input file '$INPUTFILE' does not exist."
    exit 1
  fi
  echo "Starting up with specified input file '$INPUTFILE'..."

  # We need to modify the default GudrunN_linux.syspar to load our input file
  # The target input file is on line 5 of the file - keep everything else the same...
  cd $GUDRUNBASE

  # Construct custom sysparN
  rm GudrunGUI.sysparN
  echo "bin/gudrun_dcs;" > GudrunGUI.sysparN
  echo "bin/purge_det;" >> GudrunGUI.sysparN
  echo "rungnuplot.sh;" >> GudrunGUI.sysparN
  echo "rungnuplotplot.sh;" >> GudrunGUI.sysparN
  echo "$INPUTFILE;" >> GudrunGUI.sysparN
  echo ";" >> GudrunGUI.sysparN

  java -Xmx1g -Duser.language=en -cp "./GudrunGUI" -jar "./GudrunGUI/GudrunGUI_4.jar" N

  # Once finished, we must reconstruct GudrunN_linux.syspar (since some other settings may have been changed)
  #head -n 4 GudrunGUI.sysparN > temp.syspar
  #gawk 'NR == 5 { print $0 }' GudrunN_linux.syspar >> temp.syspar
  #tail -n 1 GudrunGUI.sysparN >> temp.syspar

  # Backup the old GudrunN_linux.syspar, just in case
  #cp GudrunN_linux.syspar GudrunN_linux.syspar.bak
  #mv temp.syspar GudrunN_linux.syspar
fi

exit 0