duplicate-files

#!/bin/bash

if [ $# -lt 2 ]; then
  echo "Usage: $0 <source_path> <number_of_duplicates> [destination_path]"
  exit 1
fi

source_path="$1"
n="$2"
destination_path="$3"

if [ ! -d "$source_path" ]; then
  echo "Error: The specified source path does not exist."
  exit 1
fi

if [ "$n" -le 0 ]; then
  echo "Error: 'n' should be a positive integer."
  exit 1
fi

if [ -z "$destination_path" ]; then
  destination_path="$source_path"
fi

# Check if the destination path already exists
if [ ! -d "$destination_path" ]; then
  echo "Notice: The specified destination path does not exist. Creating it..."
  mkdir -p "$destination_path"
fi

# Loop through each file in the specified source path
for file in "$source_path"/*; do
  if [ -f "$file" ]; then
    filename=$(basename "$file")
    
    # Check if there's an extension
    if [[ "$filename" == *.* ]]; then
      file_extension="${filename##*.}"
      filename_without_extension="${filename%.*}"
    else
      file_extension=""
      filename_without_extension="$filename"
    fi
    
    # Create 'n' copies of the file in the destination path
    for ((i = 1; i <= n; i++)); do
      if [ -z "$file_extension" ]; then
        new_filename="${filename} ($i)"
      else
        new_filename="${filename_without_extension} ($i).$file_extension"
      fi
      
      cp "$file" "$destination_path/$new_filename"
      echo "Created copy: $destination_path/$new_filename"
    done
  fi
done

echo "Done."