epsr23ss

#!/bin/bash

# Script to run scripted EPSR23 commands on ndlnimrodX
# Equivalent to running 'ss <script.txt>' within EPSR

# Set locations for installed bin and startup directories
export EPSRbin='/home/tris/src/EPSR23/bin'
export EPSRstartup='/home/tris/src/EPSR23/startup'

# First command line parameter should be absolute or relative path to the script file to run

# So, was an argument supplied?
if [ $# -eq 0 ]; then
  echo "Error: Please supply the path to the scriptfile you wish to run. It must be contained in the simulation directory."
  echo "       e.g.   epsr23ss  run.txt                            (no path, scriptfile in current directory)"
  echo "       e.g.   epsr23ss  ./run.txt                          (equivalent to above)"
  echo "       e.g.   epsr23ss  /home/tris/run/water/script.txt    (absolute path to script)"
  exit 1
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
    export SCRIPTFILE=$1
  else
    # Relative path - convert to absolute path
    export SCRIPTFILE=`pwd`/$1
  fi
fi

# Does the supplied scriptfile exist? If not, raise error and exit
if [ ! -e "$SCRIPTFILE" ]; then
  echo "Error: Specified scriptfile '$SCRIPTFILE' does not exist."
  exit 1
fi
echo "Specified scriptfile (witih full path) is: "$SCRIPTFILE
SCRIPTBASENAME=`basename $SCRIPTFILE`

# Get run directory from supplied (now absolute) scriptfile path
export EPSRrun=`dirname $SCRIPTFILE`
echo -e "\nDirectory containing scriptfile is: "$EPSRrun

# Change to simulation directory
OLDDIR=`pwd`
cd "$EPSRrun"

# Check the contents of runflag.txt - is a script already running here?
if [ -e $EPSRrun/runflag.txt ]; then
  read -r EPSRstate EPSRscript EPSRscriptname < runflag.txt

  if [ $EPSRstate == "script" ]; then
    # A script is either running, stopped, or paused...
    if [ $EPSRscript == "running" ]; then
      echo -e "\nA script ($EPSRscriptname) is already running. End it or pause it within EPSR, or use 'epsr23es'."
      exit 1
    elif [ $EPSRscript == "stopped" ]; then
      echo -e "\nA script ($EPSRscriptname) was running, but is currently stopped."
      echo -e "\nThe existing runflag.txt will be deleted..."
      /bin/rm -v $EPSRrun/runflag.txt
    elif [ $EPSRscript == "pausing" ]; then
      echo -e "\nA script ($EPSRscriptname) was paused, but is currently paused."
      echo -e "\nThe existing runflag.txt will be deleted..."
      /bin/rm -v $EPSRrun/runflag.txt
    fi
  elif [ $EPSRstate == "interactive" ]; then
    echo -e "\nCurrently in interactive mode, so script can safely be started."
  fi
fi

# Pass script to EPSR
echo -e "\nStarting EPSR."
echo -e "\nTo stop the script, start EPSR23 in the simulation folder and 'es' or 'ps' in the normal way,"
echo "or use the 'epsr23ps' or 'epsr23ss' commands."

nohup echo "ss $SCRIPTBASENAME" | $EPSRbin/epsrshell > $SCRIPTFILE.out &

echo "Script was passed to EPSR - text output will be appended to $SCRIPTBASENAME.out"
echo "Check the contents of this file for errors etc."

exit 0