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#!/usr/bin/perl
# ====================================================================
# Copyright (c) 2000 Carnegie Mellon University. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
#
# This work was supported in part by funding from the Defense Advanced
# Research Projects Agency and the National Science Foundation of the
# United States of America, and the CMU Sphinx Speech Consortium.
#
# THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
# ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
# NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
use strict;
die "$0 <file1> <file2> (tolerance) (fields)\n" unless @ARGV >= 2;
my ($fn1, $fn2, $tolerance, $fields) = @ARGV;
$tolerance = 0.002 unless defined($tolerance);
my @fields;
@fields = split /,/, $fields if defined($fields);
my $comparison = 0;
my $line1 = "";
my $line2 = "";
if ((open (FN1, "<$fn1")) and (open (FN2, "<$fn2"))) {
$comparison = 1;
while (($line1 = <FN1>) . ($line2 = <FN2>)) {
chomp($line1);
chomp($line2);
next if ($line1 eq $line2);
my @field1 = split /[,:\s]+/, $line1;
my @field2 = split /[,:\s]+/, $line2;
# If the number of tokens in each line is different, the lines,
# and therefore the files, don't match.
if ($#field1 != $#field2) {
$comparison = 0;
last;
}
@fields = (0..$#field1) unless @fields;
foreach my $i (@fields) {
if (($field1[$i] !~ m/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?\)?$/) or
($field2[$i] !~ m/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?\)?$/)) {
# Check if any of the tokens in the line is a string rather
# than a number, and compare the strings
if ($field1[$i] ne $field2[$i]) {
$comparison = 0;
last;
}
} else {
# If the tokens are both numbers, check if they match within
# a tolerance
if (abs($field1[$i] - $field2[$i]) > $tolerance) {
$comparison = 0;
last;
}
}
}
# If there was a mismatch, we can skip to the end of the loop
last if ($comparison == 0);
}
# If the files don't have the same number of lines, one of the
# lines will be EOF, and the other won't.
$comparison = 0 if ($line1 != $line2);
}
close(FN1);
close(FN2);
if ($comparison) {
print "Comparison: SUCCESS\n";
} else {
print "Comparison: FAIL\n";
}
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