#!/bin/bash

maxint=9223372036854775807
root=3037000499
destination=4294967295

rm -f prime.list

SECONDS=0
n=0

echo "Counting number of primes..."
size=$(cat source.list | wc -l)

echo "00000001 1" >> prime.list

while read -r prime; do
  hex=$(printf "%08X" "${prime:0:-1}")
  echo "$hex $prime" >> prime.list
  if [[ $((n%100)) == 0 ]]; then
    clear
    rate=$((SECONDS*1000000/(n+1)))
    estsec=$((rate*size/1000000))
    remsec=$((estsec-SECONDS))
    echo "Running Time: $((SECONDS/86400)) days, $(((SECONDS%86400)/3600)) hours, $(((SECONDS%3600)/60)) minutes and $(((SECONDS%60))) seconds..."
    echo "Remaining Time: $((remsec/86400)) days, $(((remsec%86400)/3600)) hours, $(((remsec%3600)/60)) minutes and $(((remsec%60))) seconds..."
    echo "Processed $n of $size PRIME numbers at an average rate of $((n/(SECONDS+1))) per second..."
    echo "Latest Prime Number: $prime"
    echo "Destination Number: $destination [$((n*100/size)) %]"
  fi
  ((n++))
done < source.list