print $oh "$NO\n", "events($@list)\n", "$SEC1, $LONG, $LAT, $DEPTH, $GAP\n";

##</code><code>##

print $oh "$NO\n", events($@list), "\n$SEC1, $LONG, $LAT, $DEPTH, $GAP\n";

##</code><code>##

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

my $fin = "SELECTDAT2";
my $fout = "myfile";

open my $ih, '<', $fin or die "cannot open $fin for reading, $! ";
open my $oh, '>', $fout or die "cannot open $fout for writing, $! ";

while (<$ih>) {
	my @tokens = split;
	my $SEC1  = $tokens[4];
	my $LAT   = $tokens[5];
	my $LONG  = $tokens[6];
	my $DEPTH = $tokens[7];
	my $NO    = $tokens[11];
	my $GAP   = $tokens[12];
	
	my $nextline = <$ih>;
	$nextline;

	my $y = $tokens[0];
	my $m = $tokens[1];
	my $d = $tokens[2];
	my $h = $tokens[3];

	sub events {
		my @list;
		foreach $nextline (@list) {
			if ($nextline le $NO) {
				my @tokens = split;
				my $SOURCE = $tokens[0];
				my $PSEC   = $tokens[4];
				my $PQ     = $tokens[5];
				my $SSEC   = $tokens[8];
				my $SQ     = $tokens[9];
				push (@list, $_);
			}
		}
		return @list;
	}

	last line if $nextline eq "";
	print $oh "$NO\n", events($@list), "\n$SEC1, $LONG, $LAT, $DEPTH, $GAP\n";
}
close ($oh);
close ($ih);