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#!/usr/bin/perl -w # This script will assume that the first command line argument # is a file containing HTML, and return a version # where all the tags are converted to lowercase. use strict; use HTML::Parser (); HTML::Parser->new(start_h => [ \&start_lc, "tokenpos, text" ], end_h => [ sub { print lc shift }, "text" ], default_h => [ sub { print shift }, "text" ], ) ->parse_file(shift) || die "Can't open file: $!\n"; sub start_lc { my($tpos, $text) = @_; for (my $i = 0; $i < @$tpos; $i += 2) { next if $i && ($i/2) % 2 == 0; # skip attribute values $_ = lc $_ for substr($text, $tpos->[$i], $tpos->[$i+1]); } print $text; }
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