#!/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);