minimun


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#!/usr/bin/perl
use strict;
use warnings;

use IPC::Run qw(run);

my ($in, $out);

$in .= "\\relax\n";

open(FORMAT, '<', 'format.tex');
while (my $line = <FORMAT>){
  $in .= $line;
}
close(FORMAT);

$in .= "bruh\n";
$in .= "\\bye\n";

run ['/usr/bin/pdftex'], '<', \$in, '>', \$out;
print "Content-type: application/pdf\n\n";
open(DOC, '<', 'texput.pdf');
while (<DOC>){
  print;
}