Clean zhistory script

gistfile1.txt

################################################################################
##
##   Description: Clean zhistory script by 
##          Trim all lines
##          Keep only lines starting with ":" and not ending with "\"
##    Written by: Tanguy SALMON
##    Created on: 2025/03/10
##   Last update: 2025/03/10
##       License: MIT  
##
################################################################################

def clean_zhistory():
    file_path = '/Users/user/.zhistory'

    try:
        with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
            lines = f.readlines()
    except:
        try:
            with open(file_path, 'r', encoding='latin-1') as f:
                lines = f.readlines()
        except:
            with open(file_path, 'r', encoding='iso-8859-1') as f:
                lines = f.readlines()

    # Keep only lines starting with ":" and not ending with "\"
    cleaned = [line.strip() + '\n' for line in lines
              if line.startswith(':') and not line.strip().endswith('\\')]

    # Backup original file
    import shutil
    shutil.copy2(file_path, file_path + '.bak')

    # Write cleaned history
    with open(file_path, 'w', encoding='utf-8') as f:
        f.writelines(cleaned)

if __name__ == "__main__":
    clean_zhistory()

# Created/Modified files during execution:
# /Users/user/.zhistory.bak
# /Users/user/.zhistory