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#!/usr/bin/perl
use strict;
use warnings;
use utf8;
my ($file) = @ARGV;
defined($file) or die "USAGE: $0 filename\n";
my %data = loadData($file);
die "$0: No k values found in $file\n" if (scalar(keys %data) == 0);
printData(\%data);
sub printData
{
my ($data) = @_;
my $sum = 0;
foreach my $k (sort {$a <=> $b} keys %$data) {
my $value = $data->{$k};
$sum += $value;
print "$k $value\n";
}
print STDERR "#Sum=$sum\n";
}
sub loadData
{
my ($file) = @_;
my %data;
open(FILE, "<", $file) or die "$0: Cannot open $file : $!\n";
while (<FILE>) {
chomp;
my @temp = split;
my $n = scalar(@temp);
next if ($n != 3);
my $k = $temp[0];
my $omega = $temp[1];
my $value = $temp[2];
my $sum = $data{$k};
if (defined($sum)) {
$sum += $value;
} else {
$sum = $value;
}
$data{$k} = $sum;
}
close(FILE);
return %data;
}
sub findKindex
{
my ($kvalues, $k) = @_;
my $n = scalar(@$kvalues);
for (my $i = 0; $i < $n; ++$i) {
return $i if (abs($k - $kvalues->[$i]) < 1e-5);
}
return -1;
}
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