Can you please give the exact code?
i did this, it did not work
my $document = do {
local $/ = undef;
open my $all, "<", $file
or die "could not open $file: $!";
<$all>;
};
my $p0 = index($all, "Paper ID Title");
if ($p0 > -1) { my $p1 = index($all, "\>", $p0);
if ($p1 > -1) { my $p2 = index($all, "Select Reviewer(s):", $p1);
if ($p2 > -1) { my $target = substr($all, $p1, ($p2 - $p1)); } }
+}
print "$all";
sleep(22);
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