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#!/usr/bin/perl -i
#
# Post-processing script for adding weight and cost of required
# filament to G-code output.
use strict;
use warnings;
# example densities, adjust according to filament specifications
use constant PLA_P => 1.25; # g/cm3
use constant ABS_P => 1.05; # g/cm3
# example costs, adjust according to filament prices
use constant PLA_PRICE => 0.05; # EUR/g
use constant ABS_PRICE => 0.02; # EUR/g
use constant CURRENCY => "EUR";
while (<>) {
if (/^(;\s+filament\s+used\s+=\s.*\((\d+(?:\.\d+)?)cm3)\)/) {
my $pla_weight = $2 * PLA_P;
my $abs_weight = $2 * ABS_P;
my $pla_costs = $pla_weight * PLA_PRICE;
my $abs_costs = $abs_weight * ABS_PRICE;
printf "%s or %.2fg PLA/%.2fg ABS)\n", $1, $pla_weight, $abs_weight;
printf "; costs = %s %.2f (PLA), %s %.2f (ABS)\n", CURRENCY, $pla_costs, CURRENCY, $abs_costs;
} else {
print;
}
}
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