#!/usr/local/bin/perl -w


use Getopt::Declare;

my $args = new Getopt::Declare <<EOARGS;
	-f <filename:if>	Parse file <filename>
EOARGS

@students = ();
@absent = ();

$data = q{
	absmith,1234567,20
	"aesmith, the other one",7635656,DNS
	cat,dog,22.2
	7637843,dejones,66.7
	rmwilliams,288721,88
	help me,I'm trapped,in the marks system
	vtthan,872829,94
};

my $csv = <<'EOCSV';
	<name:qs> , <id:+i> , <score:0+n>	STD FORMAT [repeatable]
		{ push @::students, {name=>$name, id=>$id, score=>$score} }

	<id:+i> , <name:qs> , <score:0+n>	VARIANT FORMAT [repeatable]
		{ push @::students, {name=>$name, id=>$id, score=>$score} }

	<name:qs> , <id:+i> , DNS		DID NOT SIT [repeatable]
		{ push @::absent, {name=>$name, id=>$id, score=>0} }

	<other:/.+/>				SOMETHING ELSE [repeatable]
		{ print "Unknown entry format: [$other]\n"; }
EOCSV

if ($args->{"-f"})
{
	my $args = new Getopt::Declare ($csv,[$args->{"-f"}]);
}
else
{
	my $args = new Getopt::Declare ($csv,$data);
}

foreach ( @students )
{
	print "$_->{id} ($_->{name}):	$_->{score}\n";
}

foreach ( @absent )
{
	print "$_->{id} ($_->{name}):	ABSENT\n";
}