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README.md

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+# HexaWork - Byte Inspector
+
+## Overview
+HexaWork is a Python Tkinter application for binary file inspection and analysis. It provides a hexadecimal viewer and advanced byte analysis capabilities.
+
+## Features
+
+### 1. Hexadecimal View
+- Three-column display: offset, hexadecimal values, and ASCII representation
+- Uppercase hexadecimal values for better readability
+- Monospace font for perfect alignment
+- Horizontal and vertical scrollbars
+
+### 2. Byte Analysis
+#### Normal Order
+- HEX: Hexadecimal representation of selected bytes
+- DEC: Corresponding decimal value
+- !HEX: Bitwise complement in hexadecimal
+- !DEC: Bitwise complement in decimal
+
+#### Reverse Order
+- HEX: Hexadecimal representation of bytes in reverse order
+- DEC: Decimal value of reverse order
+- !HEX: Bitwise complement in hexadecimal
+- !DEC: Bitwise complement in decimal
+
+### 3. Flexible Selection
+- Direct selection of hexadecimal values
+- Full line selection including offset and ASCII
+- Automatic analysis update on selection
+
+### 4. ASCII Pattern Analysis
+- Comprehensive file-wide ASCII text scanning
+- Detects various patterns:
+  * Phone numbers
+  * Short letter sequences
+  * Alphanumeric codes
+  * Potential 3-letter abbreviations
+- Interactive results popup
+- Supports multiple pattern types
+
+### 5. Advanced ASCII Pattern Recognition
+- Comprehensive file-wide text scanning
+- Multiple pattern detection:
+  * Possible Software Numbers (10-11 digits)
+  * Vehicle Identification Numbers (VIN)
+  * Potential Code Sequences
+  * Possible PIN Codes
+- Unique pattern occurrence counting
+- Interactive results display
+- Supports complex alphanumeric pattern matching
+
+### 6. Pattern Analysis Features
+- Detailed pattern identification:
+  * Detects 3+ letter codes
+  * Finds long numeric sequences
+  * Highlights repeated patterns
+- Occurrence frequency tracking
+- User-friendly results popup
+- Flexible pattern recognition
+
+## Installation
+
+1. Requirements:
+   - Python 3.7 or higher
+   - Tkinter (usually included with Python)
+
+2. Install dependencies:
+```bash
+pip install -r requirements.txt
+```
+
+## Usage
+
+1. Run the program:
+```bash
+python main.py
+```
+
+2. Features:
+   - Click "Select File" to choose a binary file
+   - Select bytes in the hex viewer (using mouse or keyboard)
+   - View automatic analysis in Normal Order and Reverse Order panels
+   - Use scrollbars to navigate large files
+
+## Examples
+
+### Byte Analysis
+If you select bytes "4E 31":
+- Normal Order:
+  * HEX: 4E31
+  * DEC: 20017
+  * !HEX: [complement]
+  * !DEC: [decimal complement]
+
+- Reverse Order:
+  * HEX: 314E
+  * DEC: 12622
+  * !HEX: [complement]
+  * !DEC: [decimal complement]
+
+## Detailed Update History
+
+### Version 0.2.0 - Advanced Editing Capabilities
+#### Hexadecimal Editing Enhancements
+- Implemented sophisticated in-place hexadecimal editing
+- Developed smart cursor positioning algorithm
+  * Maintains cursor location during edits
+  * Handles edits at any file location
+- Preserved line formatting during byte modifications
+- Added real-time hex value validation
+
+#### File Modification Safety
+- Introduced file size change warning mechanism
+- Implemented confirmation dialog for file size alterations
+- Ensured user awareness of potential file structure changes
+
+#### Checksum Refinements
+- Enhanced checksum calculation methods
+- Supported variable-length byte sequences
+- Implemented three distinct checksum types:
+  * 1-byte Sum Checksum
+  * 1-byte XOR Checksum
+  * 16-bit Checksum
+- Provided hexadecimal representation of checksums
+
+#### Technical Improvements
+- Added comprehensive error logging
+- Improved input validation
+- Enhanced user interaction during file editing
+
+### Upcoming Features
+- Large file performance optimization
+- Advanced search functionality
+- More configurable display options
+- Comprehensive unit testing
+
+## Logging
+- Log file: hexawork.log
+- Records operations and errors for debugging
+- Format: timestamp, module, level, message
+
+## Contributing
+Feel free to:
+- Report bugs
+- Suggest improvements
+- Submit pull requests
+
+## License
+This project is under the MIT license.

requirements.txt

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+tkinter
+logging
+binascii