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Migrate zsh history to fish
import os
import re
def zsh_to_fish(cmd):
return (cmd.replace('&&', '; and ')
.replace('||', '; or '))
def is_valid_fish(cmd):
for reg in r'^\S+=', r'\$\(', r'\[ ', r'`', r'\\$':
if re.match(reg, cmd):
return False
return True
with open(os.path.expanduser('~/.local/share/fish/fish_history'), 'a') as o:
with open(os.path.expanduser('~/.zsh_history')) as f:
for line in f:
line = line.strip()
if line and re.match('^:\s+\d+:\d;', line):
meta, command = line.split(';', 1)
command = zsh_to_fish(command)
if is_valid_fish(command):
time = meta.split(':')[1].strip()
print('Add', command)
o.write('- cmd: %s\n when: %s\n' % (command, time))
@tekacs
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tekacs commented Jun 29, 2019

Still works, thanks! :)

@pholat
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pholat commented Apr 22, 2020

👍

@Depau
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Depau commented Jun 22, 2020

I had some encoding issues while running it with my history. I fixed it like this:

--- zsh_to_fish.py	2020-06-22 02:13:36.311314807 +0200
+++ zsh_to_fish_fixed.py	2020-06-22 02:12:12.530619810 +0200
@@ -15,8 +15,9 @@
 
 
 with open(os.path.expanduser('~/.local/share/fish/fish_history'), 'a') as o:
-    with open(os.path.expanduser('~/.zsh_history')) as f:
+    with open(os.path.expanduser('~/.zsh_history'), 'rb') as f:
         for line in f:
+            line = line.decode(errors='replace')
             line = line.strip()
             if line and re.match('^:\s+\d+:\d;', line):
                 meta, command = line.split(';', 1)
@@ -25,3 +26,4 @@
                     time = meta.split(':')[1].strip()
                     print('Add', command)
                     o.write('- cmd: %s\n   when: %s\n' % (command, time))
+

@grzkv
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grzkv commented Jul 8, 2020

@Depau Had the same. Fix works. Thanks.

@jose1711
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jose1711 commented Feb 20, 2022

👍

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