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#!/usr/bin/perl
$mark_in = "<pre>";
$mark_out = "</pre>";
sub marked_section
{
@marked = ("$_[0]$mark_in\n");
while ($line = <>)
{
push @marked, $line;
last if $line =~ /$mark_out/;
}
print $marked[0];
for ($from = 1; $marked[$from] =~ /^\s*$/; $from++) # $from: at 1st to
{} # print
for ($to = $#marked - 1; $marked[$to] =~ /^\s*$/; $to--)# $to: last to pnt
{}
for ( ; $from <= $to; $from++)
{
print $marked[$from];
}
print $marked[$#marked];
while ($line = <>)
{
last if $line !~ /^\s*$/;
}
if ($line =~ /(.*)$mark_in\s*/)
{
marked_section($1);
}
else
{
print $line;
}
}
while ($line = <>)
{
# added $1 to pick up leading text. $2 now used to be $1
if ($line =~ m#(.*)<title>\s*<center>(.*)</center>\s*</title>#)
{
print("$1<title>$2</title>\n");
next;
}
elsif ($line =~ /(.*)$mark_in\s*/)
{
marked_section($1);
}
else
{
print $line;
}
}
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