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diff --git a/src/perl/scripts2/runlist.pl b/src/perl/scripts2/runlist.pl
new file mode 100755
index 0000000000000000000000000000000000000000..4eb169149fec728fb61167d7390070fe650dc9c2
--- /dev/null
+++ b/src/perl/scripts2/runlist.pl
@@ -0,0 +1,251 @@
+#!/usr/bin/env perl
+use strict; # recommended
+use 5.16.0; # recommended
+use binary_grid2; # required
+use binary_grid::C; # backend : C
+use rob_misc qw/ncpus/;
+
+############################################################
+#
+# Example script to demonstrate how to use the
+# binary_grid2 module.
+#
+# For full documentation, please see binary_grid2.pdf
+# in the doc/ directory of binary_c
+#
+############################################################
+
+# number of computational threads to launch, usually one
+# per CPU
+my $nthreads = rob_misc::ncpus();
+
+############################################################
+# Binary_c should output data that we can understand here.
+# There are two ways to do this:
+#
+# 1) Put output statements, using Printf, in binary_c's
+# log_every_timestep() function. This requires a rebuild
+# of libbinary_c.so and a reinstall of the binary_grid module
+# every time you change the Printf statement.
+#
+#
+# 2) Put a list of hashes in the C_auto_logging grid option
+#
+# $population->set(
+# C_auto_logging => {
+# 'MY_STELLAR_DATA' =>
+# [
+# 'model.time',
+# 'star[0].mass',
+# 'model.probability',
+# 'model.dt'
+# ]
+# });
+#
+# where MY_STELLAR_DATA is the key of the hash {...} and is also
+# the header matched in the parse_data function (below). The list [...]
+# contains the names of the variables to be output, which are all
+# assumed to be in stardata.
+#
+# This option does not require a rebuild of libbinary_c.so or a
+# reinstall of binary_grid.
+#
+#
+# 3) Put output statements, using Printf, into the C_logging_code
+# grid option
+#
+# $population->set( C_logging_code => ' Printf("...\n"); ');
+#
+# You have access to the stardata variable, so you can
+# output everything that is available to log_every_timestep();
+#
+# This option does not require a rebuild of libbinary_c.so or a
+# reinstall of binary_grid.
+#
+############################################################
+# make a new stellar population
+my $population = binary_grid2->new(
+ # options can be given now ...
+ metallicity => 0.02, # mass fraction of "metals"
+ max_evolution_time => 15000, # Myr
+ nthreads=>$nthreads, # number of threads
+ );
+
+# ... or options can be set manually later.
+$population->set(
+ vb=>1, # turn on verbose logging (can be 0,1,2...)
+ return_array_refs=>1, # quicker data parsing mode
+ log_args=>1,
+ sort_args=>1,
+ save_args=>1,
+ log_args_dir=>'/tmp',
+ #log_dt_secs=>1,
+ C_auto_logging => {
+ 'MY_STELLAR_DATA' =>
+ [
+ 'model.time',
+ 'star[0].mass',
+ 'model.probability',
+ 'model.dt'
+ ]
+ },
+
+## or enter more complicated code yourself:
+#
+# C_logging_code => '
+# Printf("MY_STELLAR_DATA %g %g %g %g\n",
+# stardata->model.time,
+# stardata->star[0].mass,
+# stardata->model.probability,
+# stardata->model.dt);
+# ',
+
+ );
+
+
+############################################################
+# run from a list of stars in a file : you must set the
+# filename to be appropriate
+$population->{_grid_options}->{flexigrid}->{'grid type'} = 'list';
+$population->{_grid_options}->{flexigrid}->{'list filename'} = '/tmp/s3';
+
+
+############################################################
+# scan command line arguments for extra options
+$population->parse_args();
+
+############################################################
+# link population to custom data parser function
+$population->set(
+ parse_bse_function_pointer => \&main::parse_data
+ );
+
+my %init = $population->initial_abundance_hash('Karakas2002',0.02);
+my %isotope_hash = $population->isotope_hash();
+my @isotope_list = $population->isotope_list();
+my %nuclear_mass_hash = $population->nuclear_mass_hash();
+my @nuclear_mass_list = $population->nuclear_mass_list();
+my @sources = $population->source_list();
+my @ensemble = $population->ensemble_list();
+
+# you can use Data::Dumper to see the contents
+# of the above lists and hashes
+if(0){
+ print Data::Dumper->Dump([
+ #\%init,
+ #\%isotope_hash,
+ #\@isotope_list,
+ #\%nuclear_mass_hash,
+ \@nuclear_mass_list,
+ #\@sources,
+ #\@ensemble
+ ]);
+}
+
+# uncomment this to show version information
+#print $population->evcode_version_string();
+
+# uncomment this to show the evcode's default args list
+#print join("\n",@{$population->evcode_args_list()});
+
+# evolution the stellar population (this takes some time)
+$population->evolve();
+
+# output the data
+output($population);
+
+# done : exit
+exit;
+
+############################################################
+# subroutines
+############################################################
+
+sub parse_data
+{
+ my ($population, $results) = @_;
+
+ my $progenitor = $population->progenitor();
+
+ # get initial mass and probability for the initial mass function
+ my $progenitor_initial_mass =
+ $progenitor->{m1} + $progenitor->{m2};
+ my $progenitor_probability = $population->progenitor()->{prob};
+
+ # bin initial mass
+ my $binned_initial_mass = $population->rebin($progenitor_initial_mass,1.0);
+
+ # initial mass function
+ $results->{initial_mass_function}->{$binned_initial_mass} +=
+ $progenitor_probability;
+
+ while(1)
+ {
+ # subsequent calls to tbse_line contain
+ # (references to) arrays of data
+ my $la = $population->tbse_line();
+
+ #print "DATA @$la\n";
+
+ # first element is the "header" line
+ my $header = shift @$la;
+
+ # break out of the loop if this is 'fin'
+ last if ($header eq 'fin');
+
+ # check if $header matches one of your
+ # expected data lines, if so, act
+ if($header eq 'MY_STELLAR_DATA')
+ {
+ #print "GOT MY_STELLAR_DATA @$la\n";
+
+ # matched MY_STELLAR_DATA header
+ #
+ # get time, mass, probability etc. as specified above
+ #
+ # (note that $probability is possibly not the same as
+ # the progenitor's probability!)
+ my $time = $la->[0];
+ my $mass = $la->[1];
+ my $probability = $la->[2];
+ my $timestep = $la->[3];
+
+ # bin mass to nearest 1.0 Msun
+ $mass = $population->rebin($mass, 1.0);
+
+ # add up the mass distribution
+ $results->{mass_distribution}->{$mass} += $probability * $timestep;
+ }
+ }
+}
+
+############################################################
+
+sub output
+{
+ my ($population) = @_;
+
+ # $results is a hash reference containing
+ # the results that were added up in parse_data()
+ my $results = $population->results;
+
+ if(0)
+ {
+ # show results hash in full
+ print "############################################################\n";
+ print Data::Dumper::Dumper($results);
+ print "############################################################\n";
+ }
+
+ # output the initial mass function
+ foreach my $mass (sort {$a<=>$b} keys %{$results->{initial_mass_function}})
+ {
+ printf "IMF %g %g\n",$mass,$results->{initial_mass_function}->{$mass};
+ }
+
+ # output the mass distribution
+ foreach my $mass (sort {$a<=>$b} keys %{$results->{mass_distribution}})
+ {
+ printf "MASS %g %g\n",$mass,$results->{mass_distribution}->{$mass};
+ }
+}
diff --git a/src/perl/scripts2/template.pl b/src/perl/scripts2/template.pl
index e5cf57e7d9793e84caf2f85390d4838141998669..4c6a4d789c89f564c86182890a2cfa55b8c26f6a 100755
--- a/src/perl/scripts2/template.pl
+++ b/src/perl/scripts2/template.pl
@@ -102,9 +102,6 @@ $population->set(
);
-print Data::Dumper::Dumper($population->evcode_args_list());
-exit;
-
############################################################
# scan command line arguments for extra options
$population->parse_args();