New Command - append

- New "append" command concatenates additional text onto an existing
  task description.
- Added unit tests to append command.

src/tests/append.t

@@ -0,0 +1,55 @@
+#! /usr/bin/perl
+################################################################################
+## task - a command line task list manager.
+##
+## Copyright 2006 - 2009, Paul Beckingham.
+## All rights reserved.
+##
+## This program is free software; you can redistribute it and/or modify it under
+## the terms of the GNU General Public License as published by the Free Software
+## Foundation; either version 2 of the License, or (at your option) any later
+## version.
+##
+## This program is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+## FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+## details.
+##
+## You should have received a copy of the GNU General Public License along with
+## this program; if not, write to the
+##
+##     Free Software Foundation, Inc.,
+##     51 Franklin Street, Fifth Floor,
+##     Boston, MA
+##     02110-1301
+##     USA
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 4;
+
+# Create the rc file.
+if (open my $fh, '>', 'append.rc')
+{
+  print $fh "data.location=.\n";
+  close $fh;
+  ok (-r 'append.rc', 'Created append.rc');
+}
+
+# Add a task, then append more decsription.
+qx{../task rc:append.rc add foo};
+qx{../task rc:append.rc 1 append bar};
+my $output = qx{../task rc:append.rc info 1};
+like ($output, qr/Description\s+foo\sbar\n/, 'append worked');
+
+# Cleanup.
+unlink 'pending.data';
+ok (!-r 'pending.data', 'Removed pending.data');
+
+unlink 'append.rc';
+ok (!-r 'append.rc', 'Removed append.rc');
+
+exit 0;
+