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#!/usr/bin/perl -w
use strict;
my $bins = 200;
open(FH, $ARGV[0]);
my $min = 99999999999999999999.0;
my $max = 0.0;
my $line;
while ( $line = <FH> ) {
chomp($line);
if ( $line < $min ) {
$min = $line;
}
if ( $line > $max ) {
$max = $line;
}
}
printf("%f -> %f\n", $min, $max);
seek(FH, 0, 0);
my $binsize = ($max+1-$min)/$bins;
my @hist;
my $i;
for ( $i=0; $i<$bins; $i++ ) {
$hist[$i] = 0;
}
while ( $line = <FH> ) {
my $bin;
chomp($line);
$bin = int(($line-$min)/$binsize);
$hist[$bin]++;
}
for ( $i=0; $i<$bins; $i++ ) {
printf("%f\t%i\n", $min+(($i+0.5)*$binsize), $hist[$i]);
}
close(FH);
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