#!/usr/bin/perl

# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License Version
# 1.1 (the "License"); you may not use this file except in compliance with
# the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
# for the specific language governing rights and limitations under the
# License.
#
# The Original Code is Yerna Lindale.
#
# The Initial Developer of the Original Code is
# the Software Engineering Lab, INTEC, University Ghent.
# Portions created by the Initial Developer are Copyright (C) 2004
# the Initial Developer. All Rights Reserved.
#
# Contributor(s):
#   Kris De Schutter <kris.deschutter@ugent.be>
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****

use Getopt::Long;

# Options...
my $help = 0;
my $version = 0;

# Process command line options...
GetOptions (
  'help|?' => \$help,
  'version' => \$version,
) or usage_and_exit ();

# Show help if requested...
if ($help) { usage_and_exit (); }

# Show version info if requested...
if ($version) { version_and_exit (); }

# -- input ----------------------------------------------------------
my $cwd = $ENV{'PWD'};
my $tmp="";
my $res="";

if ($cwd =~ /\/$/ ) {
    $tmp="$`";
    #print STDERR ("Eerste geval: $tmp\n");
} else{
    $tmp=$cwd;
    #print STDERR ("Tweede geval: $tmp\n");
}

$tmp=~ /^.*\//;
$res="$'";

print STDOUT ("$res\n");


# ===================================================================
# Boilerplating for script...                                       =
# ===================================================================

sub usage_and_exit {
  print STDERR ("Get name of current working directory, WITHOUT full path.");
  print STDERR ("Usage: cwd [OPTIONS]\n");
  print STDERR ("Where OPTIONS is one of:\n");
  print STDERR ("  -version      show version information\n");
  print STDERR ("  -help         print this message\n");
  print STDERR ("\n");
  exit (0);
}

# ===================================================================

sub version_and_exit {
  print STDERR ("This is \"cwd\", version 0.1.\n");
  print STDERR ("Part of Yerna Lindale (old music).\n");
  exit (0);
}
