{
    binmode(INPUT);
    binmode(OUTPUT);
    local $_= "";
    while(  read( INPUT, $_, 4096, length($_) )  ) {
        if(  s/^.*?(\x0d\x0a)/$1/s  ) {
            print OUTPUT $_;
            last;
        }
        substr( $_, 0, -1 )= "";
    }
    print OUTPUT $_   while  read INPUT, $_, 4096;
}