1#!/usr/bin/perl
2#
3# Logical compare (i.e. diff) of two settings files.
4#
5# For usage, see the usage statement in the code, below.
6#
7# ======================================================================
8# (c) Copyright 1996,1997,1998,1999,2000,2001,2004,2006,2007,2008,2010,
9#  2011,2012
10# Whitehead Institute for Biomedical Research, Steve Rozen,
11# Andreas Untergasser and Helen Skaletsky
12# All rights reserved.
13#
14#   This file is part of the primer3 suite.
15#
16#   The primer3 suite is free software; you can redistribute it and/or
17#   modify it under the terms of the GNU General Public License as
18#   published by the Free Software Foundation; either version 2 of the
19#   License, or (at your option) any later version.
20#
21#   This software is distributed in the hope that it will be useful,
22#   but WITHOUT ANY WARRANTY; without even the implied warranty of
23#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
24#   GNU General Public License for more details.
25#
26#   You should have received a copy of the GNU General Public License
27#   along with this file (file gpl-2.0.txt in the source distribution); if
28#   not, write to the Free Software Foundation, Inc., 51 Franklin St,
29#   Fifth Floor, Boston, MA 02110-1301 USA
30#
31# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
34# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35# OWNERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
36# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
37# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
38# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
39# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
40# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
41# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42# ======================================================================
43
44
45
46use strict;
47use warnings "all";
48use Getopt::Long;
49
50my $file1;
51my $file2;
52
53my %tags1;
54my %tags2;
55
56sub read_file($$)
57{
58    my ($file, $tags) = @_;
59    open IN, $file or die "open $file: $!\n";
60    # skip first line
61    my $line = <IN>;
62    while ($line = <IN>) {
63	chomp($line);
64	# skip empty lines and comments
65	if ($line =~ /^\s*$/) { next; }
66	if ($line =~ "^#") { next; }
67	unless ($line =~ /(\S*)=(.*)/) { print STDERR "wrong line format: $line\n"; next; }
68	my $tag = $1;
69	my $value = $2;
70	$tags->{$tag} = $value;
71    }
72    close IN;
73}
74
75if (!GetOptions("file1=s" => \$file1, "file2=s" => \$file2) || !defined($file1) || !defined($file2)) {
76    die "\nUsage:\n"
77        . "$0 -file1 <filename1> -file2 <filename2>\n";
78}
79
80read_file($file1, \%tags1);
81read_file($file2, \%tags2);
82
83my @only1;
84
85# cmp tags1 with tags2 print anything common different
86print "Common tags with different values:\n";
87foreach my $tag (sort (keys %tags1)) {
88    if (defined($tags2{$tag})) {
89	if ($tags1{$tag} ne $tags2{$tag}) {
90	    print "\t$tag:\n\t\t$file1: $tag=$tags1{$tag}\n\t\t$file2: $tag=$tags2{$tag}\n"
91	}
92    } else {
93	push(@only1, $tag);
94    }
95}
96
97print "Tags that exist only in $file1:\n";
98foreach my $tag (@only1) {
99    print "\t$tag=$tags1{$tag}\n";
100}
101
102print "Tags that exist only in $file2:\n";
103foreach my $tag (keys %tags2) {
104    if (!defined($tags1{$tag})) {
105	print "\t$tag=$tags2{$tag}\n";
106    }
107}
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