My presence on the Internet
package main
import (
"fmt"
"io/ioutil"
"os"
)
// Constants for CO2 emission rates
const (
globalGridIntensity = 442 // Global average grid intensity in grams CO2 per kWh
energyPerByte = 1.5e-8 // Energy consumption in kWh per byte transferred
)
func main() {
// Check if input is provided
if len(os.Args) > 1 {
fmt.Println("Usage: co2 < input file")
os.Exit(1)
}
// Read all data from stdin
data, err := ioutil.ReadAll(os.Stdin)
if err != nil {
fmt.Fprintf(os.Stderr, "Error reading input: %v\n", err)
os.Exit(1)
}
// Calculate the CO2 produced based on global grid intensity
bytesTransferred := float64(len(data))
energyConsumed := bytesTransferred * energyPerByte // Energy consumption in kWh
co2ProducedGlobal := energyConsumed * globalGridIntensity
// Output the result
fmt.Printf("Transferring %.f bytes produces approximately %.6f grams of CO2 based on global average grid intensity.\n", bytesTransferred, co2ProducedGlobal)
}