Meta::Tool::Diff - run diff in a controlled manner for you.

Meta documentation Contained in the Meta distribution.

Index

Code Index:

NAME

Top

Meta::Tool::Diff - run diff in a controlled manner for you.

COPYRIGHT

Top

Copyright (C) 2001, 2002 Mark Veltzer; All rights reserved.

LICENSE

Top

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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.

DETAILS

Top

	MANIFEST: Diff.pm
	PROJECT: meta
	VERSION: 0.00

SYNOPSIS

Top

	package foo;
	use Meta::Tool::Diff qw();
	my($object)=Meta::Tool::Diff->new();
	my($result)=$object->method();

DESCRIPTION

Top

This module knows about diff options and will run diff for you.

FUNCTIONS

Top

	BEGIN()
	diff_dir($$$$)
	TEST($)

FUNCTION DOCUMENTATION

Top

BEGIN()

This is a bootstrap method for location your installed version of diff.

diff_dir($$$$)

This method receives: 1. Directory to diff from. 2. Directory to diff to. 3. File name for output patch. 4. Relative directory for the comparison. This method will run diff and produce the requested patch.

TEST($)

This is a testing suite for the Meta::Tool::Diff module. This test is should be run by a higher level management system at integration or release time or just as a regular routine to check that all is well. This test suite currently does nothing.

SUPER CLASSES

Top

None.

BUGS

Top

None.

AUTHOR

Top

	Name: Mark Veltzer
	Email: mailto:veltzer@cpan.org
	WWW: http://www.veltzer.org
	CPAN id: VELTZER

HISTORY

Top

	0.00 MV md5 issues

SEE ALSO

Top

Error(3), Meta::Utils::Chdir(3), Meta::Utils::Env(3), Meta::Utils::File::Patho(3), Meta::Utils::Output(3), Meta::Utils::System(3), strict(3)

TODO

Top

Nothing.

Meta documentation Contained in the Meta distribution. 
#!/bin/echo This is a perl module and should not be run

package Meta::Tool::Diff;

use strict qw(vars refs subs);
use Error qw(:try);
use Meta::Utils::File::Patho qw();
use Meta::Utils::System qw();
use Meta::Utils::Chdir qw();
use Meta::Utils::Output qw();
use Meta::Utils::Env qw();

our($VERSION,@ISA);
$VERSION="0.00";
@ISA=qw();

#sub BEGIN();
#sub diff_dir($$$$);
#sub TEST($);

#__DATA__

our($tool_path);

sub BEGIN() {
	my($patho)=Meta::Utils::File::Patho->new_path();
	$tool_path=$patho->resolve("diff");
}

sub diff_dir($$$$) {
	my($one,$two,$out,$rel_dir)=@_;
	Meta::Utils::Chdir::chdir($rel_dir);
	Meta::Utils::Output::print("rel_dir is [".$rel_dir."]\n");
	Meta::Utils::System::system_shell("ls");
	Meta::Utils::Output::print("PWD is [".Meta::Utils::Env::get("PWD")."]\n");
	#we disregard errors since diff returns error codes when there was a diff
	#between the files
	try {
		my($cmd)=$tool_path." -urN ".$one." ".$two." > ".$out;
		Meta::Utils::Output::print("cmd is [".$cmd."]\n");
		Meta::Utils::System::system_shell($cmd);
	}
	catch Error::Simple with {
	}
	Meta::Utils::Chdir::popd();
}

sub TEST($) {
	my($context)=@_;
	return(1);
}

1;

__END__