Perl doesn't really distinguish between text and binary data
heres a kind of way to do what you want (untested).
# create socket $sock with IO::Socket or similar
my @headers;
while (<$sock>) {
last unless /\S/; # end on a blank 'line' ("\n\n"), like in HTTP
chomp;
push @headers, $_;
}
while (defined($_ = getc($sock))) {
my $dec = ord($_);
# process eithier $_, the ascii equivilent or $dec, the decimal valu
+e
}
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