Quick and dirty conversion of ZSH history into fish

convert.py

# run as `python conver.py <path-to-your-zsh-history-file>

import sys

output_file = 'fish_converted_history'
zsh_history_file = sys.argv[1]

with open(zsh_history_file, 'r', errors='ignore') as ifile:
    result = []
    for cmd in ifile:
        try:
            _tims, sc = cmd.rstrip('\n').split(';', 1)
            tims = _tims[2:].split(":")[0]
            result.append('- cmd: {}\n  when: {}'.format(sc, tims))
        except:
            print(f'invalid {cmd}')

with open(output_file, 'w') as ofile:
    ofile.write('\n'.join(result))