Password Generator with Malay words

genpass.sh

#!/bin/bash

# URL containing the list of words
#URL="https://raw.githubusercontent.com/asrafulsyifaa/Malay-Dataset/master/dictionary/malay-text.txt"
URL="https://gist.githubusercontent.com/nullifye/a20b52a10fcbaef73850f4905e23d2d5/raw/4b5ca641b6473be9f3cf019aecbf7b3f9e491c7a/malay_dict"

# Fetch the list of words from the URL
words=$(curl -s $URL)

# Check if the curl command was successful
if [ $? -ne 0 ]; then
  echo "Failed to fetch the list of words."
  exit 1
fi

# Convert the list of words into an array
IFS=$'\n' read -rd '' -a words_array <<< "$words"

# Filter the words to include only those with a maximum of 6 characters
#filtered_words_array=()
#for word in "${words_array[@]}"; do
#  if [ ${#word} -le 6 ]; then
#    filtered_words_array+=("$word")
#  fi
#done

# Check if the array has at least 3 words
if [ ${#words_array[@]} -lt 3 ]; then
  echo "The list must contain at least 3 words."
  exit 1
fi

# Function to get a unique random index
unique_random_index() {
  local index
  while :; do
    index=$((RANDOM % ${#words_array[@]}))
    if [[ ! " ${selected_indices[*]} " =~ " $index " ]]; then
      selected_indices+=($index)
      echo $index
      return
    fi
  done
}

# Function to capitalize the first character of a word
capitalize() {
  local word=$1
  echo "$(tr '[:lower:]' '[:upper:]' <<< ${word:0:1})${word:1}"
}

# Function to get a random number
random_number() {
  echo $((RANDOM % 10))
}

# Function to get a random symbol
random_symbol() {
  local symbols="!@#$%^&*()-_+=<>?"
  echo "${symbols:RANDOM % ${#symbols}:1}"
}

# Default values
iterate=5
separator="-"
altmode=false

# Parse arguments
for arg in "$@"; do
  case $arg in
    --num=*) iterate="${arg#*=}" ;;
    --sep=*) separator="${arg#*=}" ;;
    --alt) altmode=true ;;
    *)
      echo "Unknown parameter: $arg"
      exit 1
      ;;
  esac
done

# Generate and print n password patterns
for ((i=0; i<iterate; i++)); do
  # Array to keep track of selected indices
  selected_indices=()

  # Get three random words from the array
  word1=$(capitalize "${words_array[$(unique_random_index)]}")
  word2=$(capitalize "${words_array[$(unique_random_index)]}")
  word3=$(capitalize "${words_array[$(unique_random_index)]}")

  # Generate a random number and symbol
  number=$(random_number)
  #symbol=$(random_symbol)

  # Construct the password pattern
  if [ "$altmode" = true ]; then
    # Alternative pattern if --alt is provided
    password_pattern="$(random_number)${word1}${separator}$(random_number)${word2}${separator}$(random_number)${word3}"
  else
    # Default pattern
    password_pattern="${word1}${separator}${word2}${separator}${word3}${separator}${number}"
  fi

  # Output the password pattern
  echo $password_pattern
done