Pawky - AWK Interpreter Written in Python

Demo: https://lentil32.streamlit.app/

Overview

This library is an interpreter for a small subset of the AWK language.

Install and use

git clone https://github.com/lentil32/pawky.git
make install

from pawky import AWKInterpreter

awk_script = "<AWK script>"  # Input your script

interpreter = AWKInterpreter(awk_script)
interpreter.set_input(input_data)
interpreter.run()

For more information, please refer to test.py.

Features

• [X] BEGIN, END blocks
• [X] Separators: FS, OFS, RS, ORS
• [X] Variable assignments with operators e.g., =, +=, -=, *=, /=, %=
• [X] Print statement for multiple expressions
• [X] Control structures e.g., if-else statements, for loops, break statements
• [X] Field variables e.g., $0, $1, $2
• [X] Basic arithmetic operations e.g., +, -, *, /, %
• [X] Unary operations e.g., !, -
• [X] Comments
• [ ] printf function
• [ ] Regex matching for patterns
• [ ] Associative arrays
• [ ] Built-in functions e.g., length(), substr(), tolower(), toupper()
• [ ] Defining functions
• [ ] String concatenation

Setup and run tests for development

make setup
make test