fish history to zsh history

convert_fish_to_zsh_history.py

#!/usr/bin/env python3
# default verbose
import os
import time
from pathlib import Path

def convert_fish_to_zsh_history():
    fish_history_path = Path.home() / '.local/share/fish/fish_history'
    zsh_history_path = Path.home() / '.zsh_history'

    if not fish_history_path.exists():
        print(f"Fish history file not found at {fish_history_path}")
        return

    command_count = 0
    with fish_history_path.open('r') as fish_file, zsh_history_path.open('w') as zsh_file:
        current_command = ""
        timestamp = ""

        for line in fish_file:
            line = line.strip()
            if line.startswith('- cmd:'):
                current_command = line[7:].strip()
            elif line.startswith('  when:'):
                timestamp = line[8:].strip()
                if current_command and timestamp:
                    unix_timestamp = int(timestamp)
                    zsh_timestamp = f": {unix_timestamp}:0;"
                    zsh_file.write(f"{zsh_timestamp}{current_command}\n")
                    command_count += 1
                current_command = ""
                timestamp = ""

    print(f"Conversion complete. {command_count} commands converted.")
    print(f"Zsh history saved to {zsh_history_path}")

if __name__ == "__main__":
    convert_fish_to_zsh_history()
    print("You probably have to run 'fc -R ~/.zsh_history' for changes to take effect")