package main
import (
"bytes"
"compress/flate"
"crypto/sha256"
"encoding/hex"
"fmt"
"log"
"os"
)
func main() {
content, err := os.ReadFile("src/testdata/Isaac.Newton-Opticks.txt")
if err != nil {
log.Fatal(err)
}
var buffer bytes.Buffer
w, err := flate.NewWriter(&buffer, flate.BestCompression)
if err != nil {
log.Fatal(err)
}
repeats := 200
for i := 0; i < repeats; i++ {
if _, err := w.Write(content); err != nil {
log.Fatal(err)
}
}
if err := w.Close(); err != nil {
log.Fatal(err)
}
compressed_data := buffer.Bytes()
hash := sha256.Sum256(compressed_data)
hash_str := hex.EncodeToString(hash[:])
fmt.Println("compressed data hash:")
fmt.Println(hash_str)
}