script to continuously upload random data to the safe network testnet and to verify data afterwards

isu

#!/bin/bash

# isu -- infinite safe upload

msg() {
  printf '%s\n' "${0##*/}>> ${1}" | tee -a "test.log"
}

verify_put() {
  safeURL=$(echo "${3}" | grep -o ' | safe://[^ ]*' | grep -o 'safe://[^ ]*')
  safe cat "${safeURL}" >"${1}"
  [ "$(md5sum "${1}")" = "${2}" ] && msg "file: ${1} has good checksum" || msg "file: ${1} has BAD checksum"
  rm "${1}"
}

while true
do
  filesize=$(shuf -i 10000-9000000 -n 1)
  filename=$(cat /dev/urandom | tr -cd 'a-f0-9' | head -c 16)
  head -c "${filesize}" </dev/urandom >"${filename}"
  checksum=$(md5sum "${filename}")
  counter=$((counter + 1))
  TBU=$(($TBU + $filesize))
  msg "uploading filename:${filename} -- size in bytes:${filesize}; please wait ..."
  safeOutput="$(safe files put "${filename}")"
  while [[ "${safeOutput}" =~ "Error" ]]
  do
    errcounter=$((errcounter + 1))
    msg "Error during upload, retrying; please wait ..."
    safeOutput="$(safe files put "${filename}")"
  done
  msg "${safeOutput}"
  msg "Error Ratio:${errcounter}/${counter} (errors per total uploads) -- total bytes uploaded:${TBU}"
  rm "${filename}"
  verify_put "$filename" "$checksum" "${safeOutput}" &
  sleep "$(shuf -i 1-10 -n 1)s"

done

exit 0