Migrate Fish Shell's history file to Zsh

migrate_fish_to_zsh.py

#!/usr/bin/env python2
from __future__ import print_function
import re

CMD_RE = re.compile(r"^- cmd: (.*)")
WHEN = re.compile(r"^when: (\d+)")

with open("/home/zanglang/.local/share/fish/fish_history") as f:
    cmd = when = None
    for line in f:
        line = line.strip()
        if CMD_RE.match(line):
            cmd = CMD_RE.findall(line)[0]
        elif WHEN.match(line):
            when = WHEN.findall(line)[0]
            print(": %s:0;%s" % (when, cmd))