#!/bin/sh
#  -*-Perl-*-  (for Emacs)    vim:set filetype=perl:  (for vim)
#======================================================================#
# Run the right perl version:
if [ -x /usr/local/bin/perl ]; then
  perl=/usr/local/bin/perl
elif [ -x /usr/bin/perl ]; then
  perl=/usr/bin/perl
else
  perl=`which perl| sed 's/.*aliased to *//'`
fi

exec $perl -x -S $0 "$@"     # -x: start from the following line
#======================================================================#
#! /Good_Path/perl
# line 17

# Name:   pc_upgraderun
# Author: Antony Mee (A.J.Mee@ncl.ac.uk)
# $Date: 2006-07-16 13:54:51 $
# $Revision: 1.3 $
# Description:
#   Transform and validate run.in/start.in/Makefile.local files from older
#   pencil-code incarnations to the current version.

use strict;
my $backup = ".bak";

print "File: $ARGV[0]\n";
$outfile = $ARGV[0] ;
$infile = $infile.".bak";

open(INPUT,"< $infile") || die "Can't open $infile for reading";
open(OUTPUT,"> $outfile") || die "Can't open $outfile for writing";

if ($outfile =~ /Makefile\.local/) {
  upgrade_Makefile_local() };
if ($outfile =~ /run\.in/)         {
  upgrade_run_in()
};
if ($outfile =~ /start\.in/)       {
  upgrade_start_in()
};

sub make_backup {
  my ($outfile,$infile)=shift;

  system("cp $outfile $infile") == 0
     or z
}

sub upgrade_Makefile_local {
    while (<>) {
      s/IONIZATION(\s*=)/EOS$1/;
      s/(=\s*)ionization/$1eos_ionization/;
      s/(=\s*)ionization/$1eos_ionization/;
      s/(=\s*)noionization/$1eos_idealgas/;
    } continue {
      print or die "-p destination: $!\n";
    }
}

sub upgrade_start_in {
# create eos_init_pars
# if present, move lcalc_cp from entropy_init_pars into eos_init_pars
# if present, move gamma, rho0 and cs0 to eos_init_pars
}

sub upgrade_run_in {
# if present, move nu and ivisc from hydro_run_pars into viscosity_run_pars
# create eos_run_pars
# create viscosity_run_pars
# if present, move lcalc_cp from entropy_run_pars into eos_run_pars
# correctly order the pars blocks
# if present, remove old_cdtv=F, else insert old_cdtv=T
}