#!/usr/bin/perl

# Copyright (c) 2010 Symbian Foundation Ltd

# This component and the accompanying materials are made available

# under the terms of the License "Eclipse Public License v1.0"

# which accompanies this distribution, and is available

# at the URL "http://www.eclipse.org/legal/epl-v10.html".

#

# Initial Contributors:

# Mike Kinghan, mikek@symbian.org, for Symbian Foundation Ltd - initial contribution.

# Subroutine to emit a help message for a script when it is passed

# -h or --help.

use strict;

sub usage(@)

{

	my ($argv_ref,@usage_lines) = @_;

	if (@{$argv_ref}) {

		if (grep(/$argv_ref->[0]/,("-h","--help"))) {

			foreach my $line (@usage_lines) {

				print "$line\n";

			}

			print "Needs no arguments\n";

			exit 0;

		}

		print "Valid arguments are -h, --help, or none\n";

		exit 1;

	}

}

1;