SHKs - Dominik » Marco

import re

import os

def replace_latex_formulas(text):

    # Define the regex patterns for single $, double $$, and eqnarray environments

    single_dollar_pattern = r'\$(.*?)\$'

    double_dollar_pattern = r'\$\$(.*?)\$\$'

    eqnarray_pattern = r'\\begin\{eqnarray\*\}(.*?)\\end\{eqnarray\*\}'

    # Function to format the matched LaTeX formula for single $

    def replacer_single(match):

        latex_formula = match.group(1)

        # Escape backslashes

        latex_formula_escaped = latex_formula.replace('\\', '\\\\')

        return f'\\begin{{html}}\\\\({latex_formula_escaped}\\\\)\\end{{html}}'

    # Function to format the matched LaTeX formula for double $$

    def replacer_double(match):

        latex_formula = match.group(1)

        # Escape backslashes

        latex_formula_escaped = latex_formula.replace('\\', '\\\\')

        return f'\\begin{{html}}\\\\[{latex_formula_escaped}\\\\]\\end{{html}}'

    # Function to format the matched eqnarray environment

    def replacer_eqnarray(match):

        eqnarray_content = match.group(1)

        # Escape backslashes

        eqnarray_escaped = eqnarray_content.replace('\\', '\\\\')

        return f'\\begin{{html}}\\begin{{eqnarray*}}{eqnarray_escaped}\\end{{eqnarray*}}\\end{{html}}'

    # First replace eqnarray environments

    replaced_text = re.sub(eqnarray_pattern, replacer_eqnarray, text, flags=re.DOTALL)

    # Then replace double $$ formulas

    replaced_text = re.sub(double_dollar_pattern, replacer_double, replaced_text, flags=re.DOTALL)

    # Finally replace single $ formulas

    replaced_text = re.sub(single_dollar_pattern, replacer_single, replaced_text, flags=re.DOTALL)

    return replaced_text

def process_file(input_filename):

    # Read the content from the input file

    with open(input_filename, 'r') as file:

        text = file.read()

    # Replace LaTeX formulas in the text

    modified_text = replace_latex_formulas(text)

    # Create the output filename by adding "2" before the file extension

    base, ext = os.path.splitext(input_filename)

    output_filename = f"{base}2{ext}"

    # Write the modified text to the output file

    with open(output_filename, 'w') as file:

        file.write(modified_text)

    print(f"Processed file saved as: {output_filename}")

# Example usage

input_filename = 'example.tex'  # Replace with your input file name

process_file(input_filename)

# import re

# import os

# 

# def replace_latex_formulas(text):

#     # Define the regex patterns for single $ and double $$ LaTeX formulas

#     single_dollar_pattern = r'\$(.*?)\$'

#     double_dollar_pattern = r'\$\$(.*?)\$\$'

#     

#     # Function to format the matched LaTeX formula for single $

#     def replacer_single(match):

#         latex_formula = match.group(1)

#         # Escape backslashes

#         latex_formula_escaped = latex_formula.replace('\\', '\\\\')

#         return f'\\begin{{html}}\\\\({latex_formula_escaped}\\\\)\\end{{html}}'

# 

#     # Function to format the matched LaTeX formula for double $$

#     def replacer_double(match):

#         latex_formula = match.group(1)

#         # Escape backslashes

#         latex_formula_escaped = latex_formula.replace('\\', '\\\\')

#         return f'\\begin{{html}}\\\\[{latex_formula_escaped}\\\\]\\end{{html}}'

# 

#     # First replace double $$ formulas

#     replaced_text = re.sub(double_dollar_pattern, replacer_double, text)

#     # Then replace single $ formulas

#     replaced_text = re.sub(single_dollar_pattern, replacer_single, replaced_text)

#     

#     return replaced_text

# 

# def process_file(input_filename):

#     # Read the content from the input file

#     with open(input_filename, 'r') as file:

#         text = file.read()

#     

#     # Replace LaTeX formulas in the text

#     modified_text = replace_latex_formulas(text)

#     

#     # Create the output filename by adding "2" before the file extension

#     base, ext = os.path.splitext(input_filename)

#     output_filename = f"{base}2{ext}"

#     

#     # Write the modified text to the output file

#     with open(output_filename, 'w') as file:

#         file.write(modified_text)

# 

#     print(f"Processed file saved as: {output_filename}")

# 

# # Example usage

# input_filename = 'example.tex'  # Replace with your input file name

# process_file(input_filename)