GWB_SPLITLUMP

#!/bin/bash
# This script starts an IDL Runtime or Virtual Machine application
# Are we running headless?
if [ "${DISPLAY}" == "" ]; then headless='1'; else headless='0'; fi

# check for system or standalone mode and set default parameters
if [ "$0" == "/usr/bin/GWB_SPLITLUMP" ] &&  [ -f "/opt/GWB/tools/GWB_version.txt" ]; then
  v_installed=$(cat /opt/GWB/tools/GWB_version.txt)
  standalone=0
  topdir=/opt/GWB
elif  [ "$0" == "./GWB_SPLITLUMP" ] &&  [ -f "tools/GWB_version.txt" ]; then
  v_installed=$(cat tools/GWB_version.txt)
  standalone=1
  topdir=$PWD
  DIR_INPUT=$topdir"/input"
  DIR_OUTPUT=$topdir"/output"
else
  echo "Please run this script from /usr/bin/ or from your local GWB installation"
  exit 1
fi

# check status of GWB
checker="$topdir"/GWB_check4updates
if [ ! -f "$checker" ]; then
  echo "GWB installation corrupted, please reinstall."
  exit 1
fi
GWBstatus=$("$checker" >/dev/null; echo $?)
if [ "$GWBstatus" == "49" ]; then
    echo ""
    echo "*********************** Attention ************************"
    echo "GWB outdated. Please upgrade to the current version at:"
    echo "https://forest.jrc.ec.europa.eu/en/activities/lpa/gwb/"
    echo "*********************** Attention ************************"
    echo ""
fi

options="$*"
# if no option is provided in system-mode:
if [ "$standalone" -eq 0 ] && [  "$options" == "" ]; then
    echo "usage: GWB_SPLITLUMP --help"
    exit 1
fi

#read parameters from command line
#=================================================

for i in "$@"
do
   case $i in
       -i=*)
       f_param="${i#*=}"
       shift
       ;;
       --nox)
       headless='1'
       echo "Note: after execution, the cmd-line message: "
       echo "'% Program caused arithmetic error: Floating illegal operand'"
       echo "can be safely ignored."
       shift
       ;;
       -v | --version)
       echo "GWB version: $v_installed"
       exit
       ;;
       -h|--help)
       echo "----------------------------------------------------------------------------------"
       echo " 1) System mode - specify the splitlump parameter file:"
       echo "----------------------------------------------------------------------------------"
       echo "GWB_SPLITLUMP -i=<full path to 'splitlump-parameters.txt'>"
       echo " "
       echo "----------------------------------------------------------------------------------"
       echo " 2) Standalone mode - specify the splitlump parameter file:"
       echo "----------------------------------------------------------------------------------"
       echo "cd into: $HOME/GWB$v_installed/GWB"
       echo "then run the command: "
       echo "./GWB_SPLITLUMP -i=<full path to 'splitlump-parameters.txt'>"
       echo "----------------------------------------------------------------------------------"
       echo " "
       echo "other cmd-line options:"
       echo "--help: show cmd-line options"
       echo "--nox: enforce headless execution via xvfb-run"
       echo "--version: show GWB version number"
       exit
       ;;
       *)
       # unknown option
       echo "Error: unknown option $i"
       echo "usage: GWB_SPLITLUMP --help"
       exit 1
       ;;
   esac
done

# startup tests
if [ "$(getconf LONG_BIT)" != "64" ]; then
  echo 'OS is not 64bit'
  exit 1
fi

if [ "$(id -u)" -eq "0" ];then 
  echo 'Please run this script as a normal user (not root)'
  exit 1
fi

GWBCONF="${HOME}/.gwb/"
if ! mkdir -p "$GWBCONF";then
  echo "You have no permissions to create the directory '${GWBCONF}'"
  exit 1
fi
if [ ! -w "$GWBCONF" ];then
  echo "You have no write permissions in the directory '${GWBCONF}'"
  exit 1
fi

# provide license info
EULAOK="$GWBCONF"EULA.txt
licfile=$topdir"/EULA_GWB.pdf"
if [ ! -e "$EULAOK" ]; then
  echo " "
  echo "   GWB (GuidosToolbox Workbench) EULA information"
  echo "================================================================"
  if [ "${headless}" == "1" ]; then
    echo "To use GWB you must accept the terms outlined in"
    echo "$licfile"
    echo "(https://ies-ows.jrc.ec.europa.eu/gtb/GWB/EULA_GWB.pdf)"
    echo " "
  else
    xdg-open "$licfile" &
  fi
  echo "Do you accept the terms of the GWB EULA?"
  echo "Please enter 'yes' or 'no' in small letters without the quotes('')"
  echo "  "
  read -r answer
  if [ "${answer}" != "yes" ]; then
    echo 'You can not use GWB because you did not agree with the GWB EULA.'
    exit
  fi
  echo "GWB EULA agreed" > "$EULAOK"
fi

########################################
### same for standalone or system mode ########
########################################
# did we get the full-path?
if [ "${f_param:0:1}" != "/" ]; then
  echo "Please provide the full pathname to the splitlump-parameters.txt"
  exit 1
fi
# are there any empty spaces in the full path name?
if [[ "$f_param" =~ \ |\' ]]; then
  echo "empty spaces or ' in splitlump-parameters.txt pathname '${f_param}' "
  exit 1
fi
# the filename should be as pre-defined
filename="${f_param##*/}"
if [[ "$filename" != "splitlump-parameters.txt" ]]; then
  echo "splitlump parameter file is not named 'splitlump-parameters.txt' "
  echo "Exiting..."
  exit 1
fi
# write out the filename to inform the idl sav file
echo $f_param > "$GWBCONF"gwb_splitlump_param.txt

# Specify the path to the IDL SAVE file that launches
# the application, relative to $topdir.
idlapp=$topdir/tools/GWB_SPLITLUMP.sav

# Specify the path to the top directory of the IDL
# distribution, relative to $topdir.
idl_install_dir=$topdir/tools/idl
IDL_DIR=$idl_install_dir ; export IDL_DIR

if [ "${headless}" == "1" ]; then
   xvfb-run -a "$IDL_DIR"/bin/idl -rt="$idlapp"
else
  "$IDL_DIR"/bin/idl -rt="$idlapp"
fi
exit