diff --git a/.gitignore b/.gitignore
index f4c9adaf..bd5d5b84 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,4 +18,5 @@ report.html
 
 # internal
 local/
+tmp/
 dev.log
diff --git a/tmp/temp.sh b/tmp/temp.sh
deleted file mode 100644
index 4f40f4e6..00000000
--- a/tmp/temp.sh
+++ /dev/null
@@ -1,262 +0,0 @@
-#!/bin/bash
-# check_os.sh
-
-# shellcheck disable=SC2034
-_OS="Unknown"
-_DISTRO="Unknown"
-
-function check_os::init() {
-  if check_os::is_linux; then
-    _OS="Linux"
-    if check_os::is_ubuntu; then
-      _DISTRO="Ubuntu"
-    elif check_os::is_alpine; then
-      _DISTRO="Alpine"
-    else
-      _DISTRO="Other"
-    fi
-  elif check_os::is_macos; then
-    _OS="OSX"
-  elif check_os::is_windows; then
-    _OS="Windows"
-  else
-    _OS="Unknown"
-    _DISTRO="Unknown"
-  fi
-}
-
-function check_os::is_ubuntu() {
-  command -v apt > /dev/null
-}
-
-function check_os::is_alpine() {
-  command -v apk > /dev/null
-}
-
-function check_os::is_linux() {
-  [[ "$(uname)" == "Linux" ]]
-}
-
-function check_os::is_macos() {
-  [[ "$(uname)" == "Darwin" ]]
-}
-
-function check_os::is_windows() {
-  [[ "$(uname)" == *"MINGW"* ]]
-}
-
-function check_os::is_busybox() {
-
-  case "$_DISTRO" in
-
-    "Alpine")
-        return 0
-        ;;
-    *)
-      return 1
-      ;;
-  esac
-}
-
-check_os::init
-
-export _OS
-export _DISTRO
-export -f check_os::is_alpine
-export -f check_os::is_busybox
-export -f check_os::is_ubuntu
-
-# str.sh
-
-function str::rpad() {
-  local left_text="$1"
-  local right_word="$2"
-  local width_padding="${3:-$TERMINAL_WIDTH}"
-  # Subtract 1 more to account for the extra space
-  local padding=$((width_padding - ${#right_word} - 1))
-
-  # Remove ANSI escape sequences (non-visible characters) for length calculation
-  # shellcheck disable=SC2155
-  local clean_left_text=$(echo -e "$left_text" | sed 's/\x1b\[[0-9;]*m//g')
-
-  local is_truncated=false
-  # If the visible left text exceeds the padding, truncate it and add "..."
-  if [[ ${#clean_left_text} -gt $padding ]]; then
-    local truncation_length=$((padding - 3))  # Subtract 3 for "..."
-    clean_left_text="${clean_left_text:0:$truncation_length}"
-    is_truncated=true
-  fi
-
-  # Rebuild the text with ANSI codes intact, preserving the truncation
-  local result_left_text=""
-  local i=0
-  local j=0
-  while [[ $i -lt ${#clean_left_text} && $j -lt ${#left_text} ]]; do
-    local char="${clean_left_text:$i:1}"
-    local original_char="${left_text:$j:1}"
-
-    # If the current character is part of an ANSI sequence, skip it and copy it
-    if [[ "$original_char" == $'\x1b' ]]; then
-      while [[ "${left_text:$j:1}" != "m" && $j -lt ${#left_text} ]]; do
-        result_left_text+="${left_text:$j:1}"
-        ((j++))
-      done
-      result_left_text+="${left_text:$j:1}"  # Append the final 'm'
-      ((j++))
-    elif [[ "$char" == "$original_char" ]]; then
-      # Match the actual character
-      result_left_text+="$char"
-      ((i++))
-      ((j++))
-    else
-      ((j++))
-    fi
-  done
-
-  local remaining_space
-  if $is_truncated ; then
-    result_left_text+="..."
-    # 1: due to a blank space
-    # 3: due to the appended ...
-    remaining_space=$((width_padding - ${#clean_left_text} - ${#right_word} - 1 - 3))
-  else
-    # Copy any remaining characters after the truncation point
-    result_left_text+="${left_text:$j}"
-    remaining_space=$((width_padding - ${#clean_left_text} - ${#right_word} - 1))
-  fi
-
-  # Ensure the right word is placed exactly at the far right of the screen
-  # filling the remaining space with padding
-  if [[ $remaining_space -lt 0 ]]; then
-    remaining_space=0
-  fi
-
-  printf "%s%${remaining_space}s %s\n" "$result_left_text" "" "$right_word"
-}
-
-# globals.sh
-set -euo pipefail
-
-# This file provides a set of global functions to developers.
-
-function current_dir() {
-  dirname "${BASH_SOURCE[1]}"
-}
-
-function current_filename() {
-  basename "${BASH_SOURCE[1]}"
-}
-
-function caller_filename() {
-  dirname "${BASH_SOURCE[2]}"
-}
-
-function caller_line() {
-  echo "${BASH_LINENO[1]}"
-}
-
-function current_timestamp() {
-  date +"%Y-%m-%d %H:%M:%S"
-}
-
-function is_command_available() {
-  command -v "$1" >/dev/null 2>&1
-}
-
-function random_str() {
-  local length=${1:-6}
-  local chars='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
-  local str=''
-  for (( i=0; i<length; i++ )); do
-    str+="${chars:RANDOM%${#chars}:1}"
-  done
-  echo "$str"
-}
-
-function temp_file() {
-  local prefix=${1:-bashunit}
-  mkdir -p /tmp/bashunit/tmp && chmod -R 777 /tmp/bashunit/tmp
-  mktemp /tmp/bashunit/tmp/"$prefix".XXXXXXX
-}
-
-function temp_dir() {
-  local prefix=${1:-bashunit}
-  mkdir -p /tmp/bashunit/tmp && chmod -R 777 /tmp/bashunit/tmp
-  mktemp -d /tmp/bashunit/tmp/"$prefix".XXXXXXX
-}
-
-function cleanup_temp_files() {
-  rm -rf /tmp/bashunit/tmp/*
-}
-
-# shellcheck disable=SC2145
-function log() {
-  if ! env::is_dev_mode_enabled; then
-    return
-  fi
-
-  local level="$1"
-  shift
-
-  case "$level" in
-    info|INFO)          level="INFO" ;;
-    debug|DEBUG)        level="DEBUG" ;;
-    warning|WARNING)    level="WARNING" ;;
-    critical|CRITICAL)  level="CRITICAL" ;;
-    error|ERROR)        level="ERROR" ;;
-    *) set -- "$level $@"; level="INFO" ;;
-  esac
-
-  echo "$(current_timestamp) [$level]: $@" >> "$BASHUNIT_DEV_LOG"
-}
-
-# dependencies.sh
-set -euo pipefail
-
-function dependencies::has_perl() {
-  command -v perl >/dev/null 2>&1
-}
-
-function dependencies::has_powershell() {
-  command -v powershell > /dev/null 2>&1
-}
-
-function dependencies::has_adjtimex() {
-  command -v adjtimex >/dev/null 2>&1
-}
-
-function dependencies::has_bc() {
-  command -v bc >/dev/null 2>&1
-}
-
-function dependencies::has_awk() {
-  command -v awk >/dev/null 2>&1
-}
-
-function dependencies::has_git() {
-  command -v git >/dev/null 2>&1
-}
-
-function dependencies::has_curl() {
-  command -v curl >/dev/null 2>&1
-}
-
-function dependencies::has_wget() {
-  command -v wget >/dev/null 2>&1
-}
-
-# io.sh
-
-function io::download_to() {
-  local url="$1"
-  local output="$2"
-  if dependencies::has_curl; then
-    curl -L -J -o "$output" "$url" 2>/dev/null
-  elif dependencies::has_wget; then
-    wget -q -O "$output" "$url" 2>/dev/null
-  else
-    return 1
-  fi
-}
-
-# math.sh