/usr/share/doc/libhtml-diff-perl/examples/htmldiff is in libhtml-diff-perl 0.561-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | #!/usr/bin/perl
#
# htmldiff uses HTML::Diff to create an HTML file that shows the difference
# between two HTML files, given on the command line.
#
# Contributed by Maurice Aubrey <maurice@redweek.com>
#
use strict;
use HTML::Diff;
@ARGV == 2 or die "Usage: $0 <file1> <file2>\n";
my @txt;
foreach (@ARGV) {
open my $fh, $_ or die "unable to read '$_': $!";
local $/;
push @txt, scalar <$fh>;
}
print qq{<style type="text/css"><!-- ins{color: green} del{color:red}--></style>\n};
foreach (@{ html_word_diff(@txt) }) {
my($type, $left, $right) = @$_;
# debug
#$left =~ s/\n/ /g;
#$right =~ s/\n/ /g;
#print "TYPE:$type\nLEFT: $left\nRIGHT: $right\n\n";
#next;
if ($type eq 'u') {
print $left;
} else {
print "<del>$left</del>" if length $left;
print "<ins>$right</ins>" if length $right;
}
}
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