Use the return value of the flip-flop:
my $count;
while (<$fh_r>) {
  if (my $status = /START/ .. /END/) {
    $count++ if $status == 1;
    print if $count == 2;
  }
}

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In reply to Re: [Solved]Need to extract a particular block of lines between two patterns by runrig
in thread [Solved]Need to extract a particular block of lines between two patterns by chengchl

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